Grade 8 Math Review (Jan. 3)

Front

Does this graph represent a proportional relationship?

Back

No, because it doesn't pass through the origin.

Front

Is the relation a function?

Back

Function

Front

What is the constant of proportionality?

Back

$9

Front

Is the given table a proportional relationship? If so, write an equation that relates y to x.

Back

Yes; y=3x

Front

Simplify: x^6 / x^2

Back

x^4

Front

What is a proportional relationship?

Back

A relationship where two quantities maintain a constant ratio.

Front

What is the definition of a function?

Back

A relation where each input has exactly one output.

Front

How do you find the constant of proportionality in a table?

Back

Divide the y-value by the corresponding x-value.

Front

What does it mean if a graph passes through the origin?

Back

It indicates a proportional relationship.

Front

What is the slope of a line in a proportional relationship?

Back

The slope is equal to the constant of proportionality.