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Math 095 Quiz 1 Circle your answers Name:___________________________ 1. Find the slopes of lines l 1 and l 2 that pass through the two given points. l 1: (0, 0) and (–2, 4); l 2: (3, 1) and (–1, –1) Then identify if the lines are parallel, perpendicular or neither. Graph the lines. 2. Write this equation in slopeintercept form. Then identify the slope and yintercept. Graph the line. 6 3 2 = y x 3. Use the pointslope formula to write an equation of the line given the following information. Write the final answer in slopeintercept form. The slope is 3, and the line passes through the point (1, –1). Graph the line. 4. Find an equation for the line by any method given the following information: The line passes through the point (2, 3) and is perpendicular to the line : 5 = y . Graph the line. (Hint: graph the lines first) 5. The electric bill charge for a certain utility company is $0.095 per kilowatthour. The total cost, y, depends on the number of kilowatthours, x, according to the equation: x y 095 . 0 = . a. Which variable is the independent variable? cost or kilowatthour (circle one of these) b. Which variable is the dependent variable? cost or kilowatthour (circle one of these) c. Determine the cost of using 500 kilowatthours. 1 2 3 4
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Page 1: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3

Math 095  Quiz 1    Circle your answers    Name:___________________________ 

1. Find the slopes of lines l1 and l2 that pass through the two given points.  l1:  (0, 0) and  (–2, 4);      l2:(3, 1) and (–1, –1)      Then identify if the lines are parallel, perpendicular or neither.  Graph the lines. 

2. Write this equation in slope‐intercept form.  Then identify the slope and y‐intercept.  Graph the line.  

  632 =− yx     3. Use the point‐slope formula to write an 

equation of the line given the following information.  Write the final answer in slope‐intercept form.  The slope is 3, and the line passes through the point (1, –1).  Graph the line. 

    4. Find an equation for the line by any method 

given the following information:   The line passes through the point (2, 3) and is perpendicular to the line :  5=y .   Graph the line.  (Hint: graph the lines first) 

   5. The electric bill charge for a certain utility 

company is $0.095 per kilowatt‐hour.  The total cost, y, depends on the number of kilowatt‐hours, x, according to the equation:  xy 095.0= . 

a. Which variable is the independent variable? cost or kilowatt‐hour (circle one of these) 

b. Which variable is the dependent variable? cost or kilowatt‐hour (circle one of these) 

c. Determine the cost of using 500 kilowatt‐hours. 

1            

2             3              4 

 

Page 2: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3
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Quiz 2  Chapter 7  Solving systems of equations    Name: ___________________________ Solve by the method specified.        Show all work, including check, for full credit         Circle your answers  

1. Solve this system by graphing:   5=+ yx  

243

−= xy  

          

2. Solve this system by substitution:   yx 34 =  

  234

+= xy  

           

3. Solve this system by addition: 

224

626

+−==−xy

yx 

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Quiz 3    Chapter 8    Name: __________________________________________ Show all work.  Circle your answers 

 

1. Given  xxxf 2)( 2 −−=  

 Find           Find            2. Determine the domain of each function.  Express the domain in interval notation 

     2

2)(

+=

xxxg              2)( −= xxh  

      3. Match each function with its graph.       Write the function name (letter) beside the small Roman numeral of graph.         i             ii   

xxf =)(   

2)( xxg =   

3)( xxh =   

xxs =)(  

 

xxw =)(    

iii                iv                 v      

Page 6: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3
Page 7: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3
Page 8: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3
Page 9: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3

Math 095 Midterm Exam 1 Name: ______________________ Show all your work. Circle your answers. 1. Given these two points: (0, −2); (6, −4)

a. Determine the slope of the line b. Write an equation of the line in slope-intercept form c. Graph the line

2. What is the slope of the line that passes through the pairs of points. (Hint: graph the points.)

a. (−1, 2), (6, 2)

b. (3, 2); (3, −2)

3. Write an equation in slope-intercept form for a line that passes

through the point (6, 3) and has a slope of 2

3

4. Determine if these lines are parallel, perpendicular or have some

other relationship: 1223 yx 932 yx

Page 10: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3

Factor the following polynomials completely. Check your factoring by F.O.I.L.5. 122 yy

6. 98 2 xx

7. 643 y

8. 168 2 xx 9. 164 x

10. 325 yy

Solve the following equations using the zero product rule Check your solutions in the original equations. 11. 0)42)(9( xx

12. )9(14 yy

13. 093 xx

Page 11: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3

14. Determine if the ordered pair is a solution to the system: 1 1, 1275 yx 32 xy

15. Solve this system by graphing. State solution as an ordered pair.

424 yx 23 yx

Solve the following systems by any method you prefer. State answer as an ordered pair. 16. 1648 xy 1839 xy

17. 6

13

6

1

3

1 yx 5)4(

3

1 yx

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18. Find the function value for )4(f given 46)( 2 xxf 19. State the domain of these functions properly.

a. 8)( xxg

b. 11

10

xx

20. For questions A through E, refer to the graph below. Use nearest whole value if it appears to be close to a grid line. )(xfy y x A. Find )1(f

B. Find )4(f

C. Write the domain of f

D. Write the range of f

E. Find the X-intercept of the function

Page 13: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3
Page 14: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3
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Page 21: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3
Page 22: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3
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Page 24: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3
Page 25: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3
Page 26: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3
Page 27: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3
Page 28: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3
Page 29: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3
Page 30: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3
Page 31: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3
Page 32: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3
Page 33: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3
Page 34: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3

Math 095  Final Exam  Winter 2009  Name: _________________________________ Show all work for full credit.  Circle your answers. 

1. Write this equation in slope‐intercept form:   934 =− yx  Identify the slope:  y‐intercept: Graph the line. 

       

2. Use the point‐slope formula to write an equation of the line given the following information.  The slope is 3, and the line passes through the point (–2, –5).  Write the final answer in slope‐intercept form.  Graph the line. 

       

3. Solve this system of equations by 

graphing:  73

424

=+−=−

yxyx

 

     

4. To attend a state fair, the cost is $10 per person admission.  There is an additional cost of $1.50 per ride.  Write an equation that gives the total cost, y, of visiting the state fair and going on x rides.  Use the equation to determine the cost of going to the state fair and going on 10 rides. 

Page 35: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3

Write the answers to these systems as ordered pairs.  Circle your answers. 

5. Solve this system of equations by 

substitution: 9

1353

+==+

xyyx

 

                  

6. Solve this system of equations:

 123

586

=−=+

yxyx

 

7. Write the domain of these functions in interval notation:   

a. 75

)(+−

=xxxf   

       

b. 2)( += xxg         

8. For the function:  13)( −−= xxh  

a. Find  )0(h         

b. Find  )2(−h       

c. Graph the function  

Page 36: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3

Circle your answers 

9. Factor this polynomial: 

169 2 ++ yy       

10. Factor this polynomial: 

35122 ++ ww        

11. Factor this polynomial:  

153918 2 −+ xx             

12. Solve this equation for y: 

01097 2 =−− yy  

13. Solve this equation for w: 

( ) ww 2043 2 =+            

14. Reduce to lowest terms: 

932

2

2

−−−

xxx

 

          

15. Divide as indicated.  Simplify to lowest terms 

yy

yyyy

−+

÷−−++

37

3278

2

2

 

Page 37: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3

Be sure to circle your answers 

16. Solve this equation for w: 

wwww 33

5−=

+−  

           

17. Circle the statements that are true: 

a. khkh +=+ 22   

b. ( )mnnm

hh =   

 

c. ( ) khkh +=+ 2 

 

18. Simplify this expression.  Write with positive rational exponents only. 

32

43

81

161

−−

⎟⎟⎠

⎞⎜⎜⎝

⎛−⎟⎟

⎞⎜⎜⎝

⎛ 

       

19. Simplify this radical:   108  

20. Simplify this radical:    4 632x               

21. Add and subtract as indicated: 

3 23 53 2 5452416 xxxxx ⋅+⋅−⋅                

22. Multiply the radicals and simplify the answer:  

( )( )3232 +− xx  

Page 38: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3

Be sure to check your possible solutions.  Circle those that are true solutions. 

23. Solve the radical equation if possible: 

056 =−−x         

24. Solve the radical equation if possible.  Use the area to the right to check your possible solutions.  See above.  

1318 −−=+ yy  

          

25. Solve the radical equation if possible: 

5212 +−=+ ww  

26. Rewrite the expression in terms of i: 

25−   

    

27. Simplify the power of i:   101i                   

28. Multiply.  Write the final answer in the  form  bia + : ( )( )ii 4234 −+  

 

Page 39: Math 095 Quiz 1 Circle your answers Name: l 1 l1: lbrownk/Math095/Math095.QuizKeys.2009.S.pdfMath 095 Quiz 1 Circle your answers Name:_____ 1. Find the slopes of ... x + y =5 2 4 3

Be sure to circle your answers 

29. Solve this equation using the square root property: 

812 −=x        

30. Solve this equation using the square root property:  

( ) 1543 2 =−y           

31. Solve this equation using the quadratic formula:   

0142 =+− ww  

  

32. Graph this function:  

( ) ( ) 552 2 −−−= xxf    

           

33. Solve this equation by any method: 

( ) 833 −=− xxx  


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