Semester Test

Front

What is the solution to the equation 4 = 2r - 10?

Back

r = 7

Front

Solve for v in the equation v + 3 = 18.

Back

v = 15

Front

What is the equation for 'Seven less than 3 times a number is 18'?

Back

3x - 7 = 18

Front

Simplify the expression 9√21 - 3√21.

Back

6√21

Front

Solve the equation 2x + 4 + 5x = 13 + 4x.

Back

x = 3

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(s) of the variable that make the equation true.

Front

What is the distributive property?

Back

a(b + c) = ab + ac

Front

What is a linear equation?

Back

An equation that makes a straight line when graphed.

Front

What is the formula for the slope of a line?

Back

Slope (m) = (y2 - y1) / (x2 - x1) for two points (x1, y1) and (x2, y2).