Modeling Interim 2 Review Day 1

Write the equation of the line that passes through (2, 5) and (-3, 7).

• y = -2x + 9

• y = 2x + 1

• y = -0.4x + 5.8

• y = 0.4x + 4.2

Given the linear functions below, write an equation in slope-intercept form, point-slope form, and standard form.

Given the table below, identify the rate of change.

• 7/4

• 4/7

• -7/4

• -4/7

Given the table below, identify the rate of change.

• 2

• 1/2

• -2

• -1/2

Given the table below, identify the rate of change.

• -4/5

• 5/4

• -5/4

• 4/5

What does the constant rate of change mean in context for the table below

Your school decides to do a canned food drive. On Day 1 of the drive, there are 2 cans. On Day 3 of the drive, there are 8 cans. Write a linear equation by finding the constant rate of change and the y-intercept. Let x represent the number of days, and y  represent the total number of cans.

1. You are selling baked goods for your soccer team’s annual fundraiser. You forgot to keep track of the first 3 days of sales. On Day 4 of sales, your team made $150 total for the fundraiser, and on Day 5, your team made $225 total. 

   Write a linear equation matching the scenario, make sure you save it for the next question!

Using your equation from the previous question , how much was there on day 2?

Identify the equation for the following graph:

• y=1(2)^x

• y=2(3)^x

• y=2(1/3)^x

• y=2^x