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?