8th Grade First Semester Review

Front

What is the equation that models Cheryl's earnings if she gets paid $8 per hour and made a total of $96 last week?

Back

8h = 96

Front

Back

x=5

Front

Back

x=21

Front

What is another name for the term 'flip' in mathematics?

Back

Reciprocal

Front

Find the slope of the line represented by the equation: y = -5/3x + 2

Back

-5/3

Front

What is the definition of a variable in mathematics?

Back

A symbol used to represent an unknown value.

Front

What is the formula for calculating the slope between two points (x1, y1) and (x2, y2)?

Back

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

Front

What does it mean for two lines to be perpendicular?

Back

Two lines are perpendicular if the product of their slopes is -1.

Front

What is the definition of a linear equation?

Back

An equation that makes a straight line when graphed.

Front

Back

x = 4