Algebra Concepts

On a graph, which direction does a positive slope go?

• Up and left

• Up and right

• Left and right

• Up and down

On a graph, which direction does a negative slope go?

• Left and right

• Up and right

• Up and down

• Down and right

• Positive

• Negative

• Zero

• Undefined

• Positive

• Negative

• Zero

• Undefined

What is another term for slope?

• Rate of change

• Y-intercept

• X-intercept

• Coefficient

• Direct variation

• Inverse variation

• Exponential growth

• Exponential decay

What is the constant ratio in direct variation equations?

How do you determine whether a table represents direct variation or not?

• Divide each Y-value by each X-value and check for a constant ratio

• Multiply each Y-value by each X-value and check for a constant ratio

• Add each Y-value to each X-value and check for a constant ratio

• Subtract each Y-value from each X-value and check for a constant ratio

What are direct variation equations also called?

• Linear equations

• Quadratic equations

• Exponential equations

• Proportional equations

Direct variation graphs must be ______ and go through the ______ of the coordinate plane.

• STRAIGHT

• ORIGIN

• CURVED

• INTERCEPTS