Math 1 Part 1 Module 2 Study Guide

Front

Solve for r: 5 + 7r + 3r = 5(r - 4)

Back

r = -5

Front

At the grocery store you purchase 2 gallons of milk and a loaf of bread. You spent a total of $8. If a loaf of bread costs $2, how much does a gallon of milk cost? (2g + $2 = $8)

Back

A gallon of milk costs $3.

Front

Solve for d: d - 12 = 10

Back

d = 22

Front

Solve for x: 7x - 11 = 10

Back

x = 3

Front

Solve for w in the equation p = L x w

Back

w = p/L

Front

What is the distributive property?

Back

a(b + c) = ab + ac

Front

What is a variable in mathematics?

Back

A symbol used to represent an unknown value.

Front

What is an equation?

Back

A mathematical statement that asserts the equality of two expressions.

Front

What does it mean to solve an equation?

Back

To find the value of the variable that makes the equation true.

Front

What is the first step in solving the equation 3x + 5 = 20?

Back

Subtract 5 from both sides.