Staar Review Pre Algebra

A table needs to have the same ____ to be proportional.

• Ratio of y/x
• Ratio of x/y
• y-intercept
• slope

A graph needs to go through _____ to be proportional.

• The origin
• The y-intercept
• The y-axis
• The x-axis

A graph needs to be _____ to be proportional.

• Straight
• Curved
• Positive
• Negative

For an equation to be proportional, there has to be _____ after x.

• Nothing
• A positive number
• A negative number
• Something

A proportional equation looks like...

• y=kx
• y=mx+b
• y=kx+b
• y=ax²+bx+c

Slope, in basic terms, is simply...

• Rise over run
• Run over rise
• Left over down
• Right over up

The formula for slope has _____ on top.

• y₂- y₁
• x₂- x₁
• y₁- y₂
• x₁- x₂

The formula for slope has _____ on bottom.

• y₂- y₁
• x₂- x₁
• y₁- y₂
• x₁- x₂

In the equation y=mx+b, m is the ____.

• Slope
• Y-intercept
• X-intercept
• Origin

In the equation y=mx+b, b is the ____.

• Slope
• Y-intercept
• X-intercept
• Origin