Literal equations and word problems

Front

Solve for y: 4x + 3y = 9

Back

y = -4/3x + 3

Front

You earn $7.50 per hour to help your uncle in his shop. You earn $33.75 total. Which equation could you use to find out how many hours you've worked, h?

Back

7.5h = 33.75

Front

Solve for y: 5x - y = 6

Back

y = 5x - 6

Front

The perimeter of a rectangle can be found using the formula P=2L+2W. Which formula represents the length of a rectangle in terms of the perimeter and width?

Back

L = (P - 2W) / 2

Front

Solve the equation for y: 4x - 5y = 20

Back

y = -4 + (4x/5)

Front

What is a literal equation?

Back

An equation that contains two or more variables and is solved for one variable in terms of the others.

Front

What is the formula for the perimeter of a rectangle?

Back

P = 2L + 2W

Front

How do you isolate a variable in an equation?

Back

By performing inverse operations to both sides of the equation.

Front

What does it mean to solve for y in an equation?

Back

To express y in terms of other variables or constants.

Front

What is the first step in solving the equation 3y + 2 = 11?

Back

Subtract 2 from both sides to isolate the term with y.