Illustrative Math Algebra 1 Unit 2 Lessons 1 - 9

Front

What is the equation to find the cost of each book if Sandy had $173 and spent $12 after buying 7 books?

Back

7b + 12 = 173

Front

How much did each book cost if Sandy had $173 and spent $12 after buying 7 books?

Back

$23

Front

Write an equation to represent Sally's plan to walk 12 miles every week.

Back

y = 12x

Front

In the equation 5d - 1 = 2d - 7, how do you move the variable to the left side?

Back

-2d from both sides of the equal sign

Front

What is the equation for the cost of renting a paddle boat with a $15 deposit and $2 per hour?

Back

y = 2x + 15

Front

Define a variable in an equation.

Back

A symbol used to represent an unknown value.

Front

What does it mean to isolate a variable in an equation?

Back

To manipulate the equation so that the variable is on one side and all other terms are on the other.

Front

What is a linear equation?

Back

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

Front

What does 'm' represent in the slope-intercept form of a linear equation?

Back

The slope of the line.

Front

What does 'b' represent in the slope-intercept form of a linear equation?

Back

The y-intercept of the line.