Module 3 Review on Linear Functions

Slope

400

Find the slope from these ordered pairs: (-2,-1) and (-4,-7) 

3

500

Find the slope from this equation: 5x+2y=12

y=-5/2x+6

X- and Y-intercept

400

What is the y-intercept from this equation? y=-3x+8

8

500

What is the x-intercept of this equation? y=4/5x-1

5/4

Standard Form

400

Convert this equation from standard form to slope- intercept form: -3x+y=8

y=3x+8

500

Convert this equation from standard form to slope- intercept form: 2x-y=-4

y=2x+4

Graphing the Slope

400

What is the slope of a vertical line?

Underfined

500

What is the slope of a horizontal line?

0

Simple Interest

400

Dave opens a savings account that has an annual simple interest rate of 0.15%. If he initially deposits $10,000, find the amount in the savings account after 5 years.

$10,075

500

Victoria deposited $15,000 into a savings account that earns an annual simple interest rate of 0.2%. To the nearest tenth of a year, how long will it take for the account to reach $15,500?

16.7 years