Slope Unit Test

Who has the greater slope?

• They have the same slope.

In 2010, Javan bought a car for $3,281. He worked on it, replacing pieces and fixing it up. By 2016, Javan sold the car for $10,589. What is the rate of change in dollars per year of the value of the car?

• 547

• 1218

• 1765

• 1462

After the first 5 games of the season, Lebron James scored 137 total points. After the 12th game, he had scored 326 total points. What is the rate of change in points per game that he had during that stretch?

• 27.4

• 27.17

• 32

• 27

A climber is on a hike. After 2 hours, the hiker is at an altitude of 400 feet. After 6 hours, the hiker is at an altitude of 700 feet. What is the average rate of change in feet per hour?

• 116.7

• 200

• 75

Jules started a savings account with $300. After 4 weeks, Jules had $350 dollars, and after 9 weeks, Jules had $400. What is the rate of change in dollars per week in Jules's savings account?

• $87.50/week

• $10/week

• $44.44/week

What is the slope of the line passing through the points (3,5) and (-1,7)?

• -1/2

• -1

• -2

• 1/2

Write the an equation for the graph shown.

• -2y = x + 4

• 2y = x +2

• y = -1/2x + 2

• 2y = -x - 4

Identify the slope and y-intercept of:
y = 1/2x - 1

• slope: 1/2   y-intercept:  -1 

• slope: 2/1   y-intercept:  -1

• slope: 3   y-intercept:  -3 

• slope: 2  y-intercept:  5 

Write the equation in slope intercept form of the line that passes through the given point and has the given slope.
(4, -7); m = -1/4

• y= -1/4x - 6

• y= 1/4x - 6

• y= -1/4x + 6

• y= -6x - 1/4

Find the slope of the line given the two points. 

• m=3/2

• m=6

• m=-3/2

• m=1/6