Literal Equations

Front

What is a literal equation?

Back

A literal equation is an equation that contains two or more variables, and it is solved for one variable in terms of the others.

Front

What is the first step to solve the equation r = d/t for r?

Back

Divide each side by t.

Front

Solve for y: 4x + 3y = 9

Back

y = -4/3x + 3

Front

What is the equivalent form of the equation 3x + y = 12?

Back

y = -3x + 12

Front

Solve for y: y - 3 = 2(x + 4)

Back

y = 2x + 11

Front

How do you isolate a variable in an equation?

Back

You perform inverse operations to both sides of the equation to get the variable by itself.

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Front

If d/t = r, how do you solve for d?

Back

d = rt.

Front

What does it mean to rearrange an equation?

Back

Rearranging an equation means to manipulate it to isolate a specific variable.

Front

Solve for x: 2x + 5 = 15

Back

x = 5.