Literal Equations Practice (3-A)

Front

What is a literal equation?

Back

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

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, perform inverse operations to both sides of the equation until the variable is alone on one side.

Front

What is the first step to solve for x in the equation y = mx + b?

Back

Subtract b from both sides to isolate the term containing x.

Front

Solve for x: y = mx + b

Back

x = (y - b) / m

Front

What does it mean to rearrange a formula?

Back

Rearranging a formula means changing the equation to solve for a different variable.

Front

Solve for y in the equation Ax + By = C.

Back

y = (C - Ax) / B

Front

What is the formula for the perimeter of a rectangle?

Back

P = 2L + 2W, where L is the length and W is the width.

Front

How do you solve for W in the perimeter formula P = 2L + 2W?

Back

Subtract 2L from both sides and then divide by 2: W = (P - 2L) / 2.

Front

What is the first step to solve for y in the equation 3y + 6 = 12?

Back

Subtract 6 from both sides: 3y = 6.

Front

Solve for r in the equation A = πr².

Back

r = √(A/π)