Centers Review April 26-28

8/7/2019 Centers Review April 26-28

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Review

Center #1 Polynomials

Polynomials

Question 7:

Divide.

(8x3

- 16x2 + 24x) 8x

Choose One:

x2 - 2x + 3

x3

- 2x2 + 3x

8x2 - 16x + 24

x2 + 3

Polynomials

Question 17:


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Add:

(x3 + 4x

2 - x + 3) + (2x2 + 9x + 7)

Choose One:

3x3 + 13x

2 + 10

3x3 + 8x + 10

x3 + 2x

2 - 8x + 10

x3

+ 6x2 + 8x + 10

Center #2 Pairs of Linear Equations and Inequalities

Pairs of Linear Equations and Inequalities

Question 6:

Which system of linear equations is modeled by this graph?


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Choose One:

4x - 2y = 9

5x + 3y = 16

-2x + 6y = 22

-2x - 7y = 10

5x + 3y = 16

x - 3y = 9

4x - 2y = 12

2x + y = 10


Question 16:

Solve this system of linear equations.

y = 7 - 4x

y - x = 22

Choose One:

(-3, -5)

(-3, 19)


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(3, 25)

(7, 4)


Question 25:


3x - y = 4

-3y - 4x = -29

Choose One:

(3, 5)

(2, 2)

(-5,3)

(-2, 2)


Question 32:


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x - 5y = 9

-3x + 10y = -7

Choose One:

( , - )

(1, 1)

(-11, -4)

(14, 1)

Question 38:

Based on the graph given, what is the solution to this system of linear equations?

y = x - 5

y = - x - 2


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Center #3 Mathematical Reasoning and Problem Solving

Mathematical Reasoning and Problem Solving

Question 4:

Find the counterexample that shows that the following statement is false:

A number is divisible by8 if the last digit of the number is 8

Choose One:

72 is divisible by 8, but its last digit is not 8

48 has a last digit of 8 and it is divisible by 8


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36 is not divisble by 8 and its last digit is not 8

26 has the sum of digits equal to 8, but it is not divisible by 8


Question 9:

How much money will be in an account if $13,000 is deposited in an account for 4

years at 4.5%.

Choose One:

$15,548.19

$15,543.04

$15,502.74

$15,340.00


Question 15:

Tickets to the Home Show cost $12 for students and $20 for adults. Two hundred

tickets were sold for a total of $3,040.


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How many student tickets were sold?

Choose One:

80

100

120

140


Question 19:

Identify the pattern in the sequence and then find what comes next in the

sequence. AB,AABB,AAABBB,AAAABBBB,_______________

Choose One:

AAAAABBBBB

ABABABABAB

BABABABABA

AABBAABBAA



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Question 26:

Which counterexample shows that the following statement is false?

The product of 2 two-digit numbers is a three-digit number

Choose One:

78 92 = 7,176

122 115 = 14,030

16 28 = 448

13 13 = 121


Question 33:

When the unit price of a television set isp dollars, the money,r, received from

selling the television sets is: r(p) = -2p2 + 2000p.

Which unit price of the television sets that will maximize the money received?

Choose One:

$505

$500


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$490

$510


Question 40:

The number of students at Mountain High School is increasing linearly. The

formula n = 0.08t + 2.6 gives the number of students,n, at the school, in

thousands, at a time tyears since 1998.

At this rate,how many students will be at Mountain High School in 2007?

Choose One:

3,160

3,240

3,400

3,320


Question 50:

Identify the pattern in the sequence and then find what comes next in the


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sequence.

A, BB,CCC, DDDD,_____________________

Choose One:

AAAAA

BBBBB

CCCCC

EEEEE


Question 54:

If the price of a one topping medium pizza is $8 and it is increasing at a rate of

3.5% each year.

Which formula gives the price,p, of this pizza tyears later?

Choose One:

p(t) = 8(1.35)t

p(t) = 8(1.035)t

p(t) = 8(1.035)t


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p(t) = 8(0.035)t

Center #4 Graphing Linear Equations and Inequalities

Graphing Linear Equations and Inequalities

Question 5:

What is the x-intercept of the line y = - x + 15?

Choose One:

-

15

12

75

4


Question 14:

What is the equation of the line with a slope of3.4 that passes through the point


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(5, 5)?

Choose One:

y = 3.4x + 17

y = 3.4x - 12

y = 3.4x + 12

y = 3.4x + 5


Question 24:

The tabel below shows the population growth of a town.

Based on the data in the table what is the best estimate for when the population

will be 500,000?

Year Population

1980 294,342

1982 300,443

1984 330,239


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1990 382,323

1993 402,345

Choose One:

1994

2003

2020

2050


Question 31:

What is the slope of the line with the equation 2x - 4y = 9?

Choose One:

2

4


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-


Question 37:

What is the equation of the line that passes through the points (0,3) and (-2, -7)?

Choose One:

y = -5x - 3

y = x + 3

y = 5x + 3

y = - x - 3


Question 44:

Use the table to determine an equation of a line that best fits the data.

x y

5 25


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10 20

15 15

20 10

25 5

30 0

Choose One:

y = 5x - 30

y = -5x + 15

y = -x + 30

y = -3x + 9


Question 45:

Martin has a total of 20 coins consisting of quarters and dimes.

Ifhe has $3.95,how many dimes does he have?


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Choose One:

2

7

12

13

Center #5

Operations with Real Numbers

Question 1:

According to the associative property of addition ( + ) + .923 is equal to

Choose One:

+ ( + .923)

( + ) + .923

+ .923

( + ) + .923


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Question 11:

What is the approximate value of ?

Choose One:

14.1

10

5.4

4.5


Question 21:

If 1 square mile is 640 acres, about how many square miles is one million acres?

Choose One:

1600

160,000


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1,600,000

640,000,000


Question 28:

Evaluate this expression.

(3 - 6 3) 3

Choose One:

-5

-3

3

5

Question 35:

Which of the following is NOT an example of the associative property?

Choose One:


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(2 + 4) + 6 = 2 + (4 + 6)

2 + (6 + 4) = 2 + (4 + 6)

6 + (4 + 2) = (6 + 4) + 2

2 + (4 + 6) + 8 = 2 + 4 + (6 + 8)


Question 42:

What is an approximate value of the square root of 200?

Choose One:

14.9

14.5

14.1

13.7


Question 48:

If Lisa spends 7 hours a day at school, about how many seconds a day does she

spend at school?


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Choose One:

42,000

28,000

25,000

21,000


Question 52:

What is the value of this expression?

4 - |4 - 7| 6

Choose One:

-14

-6

6


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42

Center #6

Relations and Functions

Question 3:

What is the domain of this set of ordered pairs?

{(5, 5), (6, 4), (2, 2), (8, 3), (1, 1)}

Choose One:

{1, 2,3, 4, 5, 6, 8}

{1, 2, 5}

{1, 2, 5, 6, 8}

{1, 2,3, 4, 5}


Question 13:

What formula describes the nth term of the sequence 12, 17, 22, 27,32, ...?


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Choose One:

10 + 2n + 7n

5n + 7

12 + n5

7n + 5


Question 23:

What is the range of this relation?

{(1, 2), (2, 4), (4, 2), (5,3)}

Choose One:

{1, 2, 4, 5}

{2,3, 4}

{1, 2,3, 4, 5}

{1, 2,3, 4}



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Question 30:

What values ofxmake the expression x2 - 4x - 21 equal to zero?

Choose One:

x = 7 and x = -7

x = 7 and x = 3

x = 4 and x = 21

x = 7 and x = -3

Center #7

Quadratic, Cubic, and Radical Equations

Question 8:

Solve for x.

x2 + 14 = 9x

Choose One:


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x = -7 or x =

x = 7 or x = 2

x = 2 or x = -7

x = -7 or x = -2


Question 18:

What type of equation is shown in the graph given?

Choose One:

square root

cubic

linear


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quadratic


Question 39:

In how many points does the following quadratic function intersects the x-axis?

f(x) = -x2

- 8x - 16.

Choose One:

zero

one

two

three


Question 46:

Solve for x.


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Choose One:

-

1

4

12

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Centers Review April 26-28

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