8th Grade Math Review

Front

The vertical axis is the _____

Back

Y-axis

Front

Slope is ________

Back

Negative

Front

Solve for x: 7(2x - 4) = 42

Back

x = 5

Front

Does this mapping diagram represent a function? Why? (x-value 11 has two y-values)

Back

No, because the x-value 11 has two y-values paired with it.

Front

Simplify the expression using exponents: 81^8

Back

9^8

Front

What is the formula for the slope of a line?

Back

Slope (m) = (y2 - y1) / (x2 - x1)

Front

What is the definition of a function?

Back

A relation where each input has exactly one output.

Front

What does it mean for a slope to be positive?

Back

The line rises from left to right.

Front

What does it mean for a slope to be negative?

Back

The line falls from left to right.

Front

What is the y-intercept of a line?

Back

The point where the line crosses the y-axis.