8th Grade Math Review

What does 'b" represent in y=mx=b

• y-intercept
• x-intercept
• nothing
• slope

Slopes of perpendicular lines are...

• opposite reciprocals.
• opposites.
• the same.
• always 7.

Find the slope of the line.

• 1/2
• -1/2
• 2
• -2

What is the y-intercept in the equation
y= -2x + 5

• -2
• 3
• 5
• Cannot be Determined

How do you calculate slope using a graph?

• rise over run
• run over rise
• look at the y intercept
• look at the x intercept

Is this function linear or nonlinear?

• Linear
• Nonlinear

Find the slope of the line that passes through
(10, 1) and (5, 2)

• 1/5
• -1/5
• 5
• -5

Is the table linear or nonlinear?

• Linear
• Nonlinear

Find the slope of the line that passes through
(1, -19) and (-2, -7)

• -4
• 4
• 1/4
• -1/4

Is this function linear or nonlinear?

• Linear
• Nonlinear