Unit Three Review
PLEASE PARDON THE MISSPELLINGS!
Review 1
Draw a Cartesian Coordinate System and label all of the important parts.
Review 2
Name a point that is in each of the following quadrants.
Quadrant I
Quadrant II
Quadrant III
Quadrant IV
Review 3
When you add the x-coordinate and y-coordinate of any ordered pair in the second quadrant, the answer is _______________ positive.
Fill in each blank with sometimes/always/never. Be prepared to support your answer.
When you multiply the x-coordinate and y-coordinate of any ordered pair in the second quadrant, the answer is _______________ positive.
Review 4
What is a function?
What are the four ways of representing a function?
Review 5
Write a possible equation that represents each of the following types of functions.
Quadratic
Exponential
Linear
Review 6
What do the graphs of each of the following types of functions look like?
Quadratic Exponential Linear
Review 7
In a function, how can you tell which quantity is the input and which quantity is the output?
Determine the input and output for the following quantities:
The velocity with which a ball is thrown and the distance that the ball travels.
Review 8
What is the equation of the line with a slope of –2/3 and a y-intercept of –2?
Review 9
10
10
-10
-10
Write the equation of this line.
Review 10
7x4
1y
10
10
-10
-10
Graph the following line.
Review 11
Find the equation of the line represented by the following table.
x y
-8 -8
-4 -7
0 -6
4 -5
8 -4
Review 12
10
10
-10
-10
3y +4x = 9
Graph the following line.
Review 13
Find the equation of a line that has a slope of 0 and contains the point (-3,7).
Review 14
Write the equation of the line that is represented by the following table.
x y
8 -2
8 1
8 4
8 7
8 10
Review 15
Write the equation of the line that is represented by the following table.
x y
-5 -2
-1 1
3 4
7 7
11 10
Review 16
10
10
-10
-10
Write the equation of this line.
Review 17
Write the equation of these lines:
The line with a slope of -3/5 and containing the point (7, 3).
The line through the points (4, 2) and (-7, -2).
Review 18Sandwich Total
Fat (g)
Total Calorie
s
Hamburger 9 260
Cheeseburger 13 320
Quarter Pounder 21 420
Quarter Pounder with Cheese 30 530
Big Mac 31 560
Arch Sandwich Special 31 550
Arch Special with Bacon 34 590
Crispy Chicken 25 500
Fish Fillet 28 560
Grilled Chicken 20 440
Grilled Chicken Light 5 300
1. Make a scatter-plot of the data.
2. Find the equation of the line of best fit.
3. What is the slope and what does it mean in “real world” terms?
4. What is the y-intercept and what does it mean in “real world” terms?
5. How many calories would a sandwich with 40 grams of fat probably have?
6. How many grams of fat would a 900 calories sandwich probably have?