Topic 5 Review

Find the slope of a line between the points (-1, 5) & (1, -1)

• -1

• 1

• 3

• -3

What is the slope of the line in the graph?

• $\frac{1}{4}$

• $-\frac{1}{4}$

• 4

• -4

Find the slope of the line between the points (-2, -1) and (1, -1)

• 2

• -2

• 0

• $\frac{1}{2}$

What is the y-intercept of the graph?

• 1

• 2

• -1

• 1.5

What is the y-intercept of the equation

 $y=x-8$  

• 1

• -8

• 8

•  $\frac{1}{8}$  

What does the y-intercept represent in the graph?

• The depth of the water in the fountain after the rainstorm

• The rate at which the depth increases

• The depth of the water in the fountain before the rainstorm

• The amount of water in the fountain before the rainstorm.

Write an equation for the line in slope-intercept form.

• $y=\frac{1}{2}x+4$

• $y=-\frac{1}{2}x+4$

• $y=2x+4$

• $y=-2x+4$

Which graph represents

 $y=5x-2$  ?

• 
• 
• 
• 

How does the slope affect the graph of a line?

• The slope affects where the line ends.

• The slope affects where the line starts

• The slope affects where the line crosses the y-axis

• The slope affects the steepness of the line.

Which expression is correct for finding the slope of the line that goes through (-2, 0) and (6, 4)?

• $\frac{0-4}{6-\left(-2\right)}$

• $\frac{0-\left(-2\right)}{4-6}$

• $\frac{4-0}{6-\left(-2\right)}$

• $\frac{4-0}{-2-6}$