Review Prerequisite Skills for Geometry

Front

What is the expression for twenty times a number x?

Back

20x

Front

Solve for x: 7x + 5 + x - 3 + x = 5

Back

x = 1/3

Front

What is the slope of a horizontal line?

Back

0

Front

Solve for x: 2 - 4x = 3x - 12

Back

x = 2

Front

What is the expression for twice a number x is equal to y?

Back

2x = y

Front

What is the definition of a variable in algebra?

Back

A symbol used to represent an unknown value.

Front

What does it mean to solve an equation?

Back

To find the value of the variable that makes the equation true.

Front

What is the formula for the slope of a line?

Back

(y2 - y1) / (x2 - x1)

Front

What is the definition of a linear equation?

Back

An equation that makes a straight line when graphed.

Front

What does it mean for an equation to be balanced?

Back

Both sides of the equation have the same value.