ENR Equations Test Review!

Front

Back

Front

What is the cost equation for making n watches?

Back

C = 15n + 85

Front

How many watches can be made when the cost is $385?

Back

20 watches

Front

Back

m = -12

Front

If the larger of two numbers is 12 more than the smaller and their sum is 74, find the numbers.

Back

31 and 43

Front

Back

a = -2

Front

What does it mean to solve an equation?

Back

Finding the value of the variable that makes the equation true.

Front

Define a linear equation.

Back

An equation that makes a straight line when graphed, typically in the form y = mx + b.

Front

What is the purpose of isolating a variable in an equation?

Back

To find the value of that variable.

Front

Back

Subtract 5 from both sides.