The slope of a line is a measure of its steepness. We calculate the slope of a line by comparing the change in y values (vertical change) to the change in x values (horizontal change) while moving along our line from one point to another.

Test Objectives
• Demonstrate an understanding of the slope formula
• Demonstrate the ability to calculate slope using the slope formula
• Demonstrate the ability to calculate slope from the graph of the line
Slope Formula Practice Test:

#1:

Instructions: Find the slope of the line that passes through the given points.

a) (-5,14) and (5,20)

b) (7,4) and (-3,4)

#2:

Instructions: Find the slope of the line that passes through the given points.

a) (-6,-10) and (0,-18)

b) (6,11) and (9,8)

#3:

Instructions: Find the value of y.

a) (-3,-2) and (-2,y) : slope = 7

#4:

Instructions: Find the value of x.

a) (x,1) and (-1,-3)

 slope = 4 5

#5:

Instructions: Find the slope of the line from the graph.

a) b) Written Solutions:

#1:

Solutions:

a)

 m = 3 5

b) m = 0

#2:

Solutions:

a)

 m = - 4 3

b) m = -1

#3:

Solutions:

a) y = 5

#4:

Solutions:

a) x = 4

#5:

Solutions:

a) m = -4

b)

 m = 5 2