Literal Equations & Formulas

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 a literal equation?

Back

To isolate a variable, you perform inverse operations to move other terms to the opposite side of the equation.

Front

Solve for b: y = mx + b

Back

b = y - mx

Front

Solve for a: u = \frac{ak}{b}

Back

a = \frac{ub}{k}

Front

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

Back

Subtract b from both sides.

Front

Solve for b in the equation A = \frac{1}{2}bh.

Back

b = \frac{2A}{h}

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 x: 3x + 5 = 20

Back

x = 5

Front

What is the formula for the area of a triangle?

Back

A = \frac{1}{2}bh, where b is the base and h is the height.

Front

Solve for w: p = a \cdot w

Back

w = \frac{p}{a}