KAP Equations and Scatterplots Review (4-3)

Which equation matches the data shown in the table.

• y = 1.5x

• y = 1.5x + 7

• y = 0.6x + 7

• y = 1.5x + 8.5

A local donut shop charged $6.50 for a dozen and provided a coupon in the newspaper for $0.75 discount. What is the equation that represents the value of a customer's order who uses the new coupon with their order?

• y = 6.50x - 0.75
• y = 6.50x + 0.75
• y = 6.50x - 1.50 - 0.75
• y = 5x - 0.75

Which is the graph of y = x - 2?

• A
• B
• C
• D

If Joe worked 30 hours, how much is he expected to earn?

• $600
• $200
• $1000
• $800

What is the solution to the system?

• (0, 3)
• (1, -1)
• (-3, 1)
• (1, 3)

Find the Mean Absolute Deviation: (MAD)

10, 9, 3, 8, 10.

• 3

• 5

• 1

• 2

Write the equation of the graph

• y = 3x + 2

• y = -3x + 2

Based on the scatterplot, about how much money would a group of 10 people be expected to spend on food and beverages at this restaurant?

• $135
• $115
• $105
• $150

What is the mean absolute deviation of 13, 14, 17, 28, and 28?

• 6.4

• 8.6

• 4.6

• 6.3

What is the correlation between length of running start and distance of jump?

• positive:  the further you run the further you jump
• negative: the less you run the less distance of your jump
• positive: the further your running start the less your distance