Writing Inequalities and Equations Review

Front

What does the inequality x < -4 represent on a number line?

Back

It represents all numbers to the left of -4, not including -4 itself.

Front

Write an equation for the scenario: Scott's Automotive charges $35 for each car plus $7 per hour, if Kylie was charged $63.

Back

7x + 35 = 63

Front

What does the inequality x ≤ 20 mean in the context of spending money?

Back

It means you can spend 20 dollars or less on your mom's birthday present.

Front

If Nicole and her friend earned a total amount of money and each got $10.93, what equation can be used to find the total amount?

Back

d/2 = 10.93

Front

Translate the phrase: You and your friends ate more than 8 slices of pizza.

Back

x > 8

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions, showing that one is greater than, less than, or equal to the other.

Front

What does the symbol '≤' mean?

Back

It means 'less than or equal to'.

Front

What does the symbol '≥' mean?

Back

It means 'greater than or equal to'.

Front

How do you solve the equation 7x + 35 = 63?

Back

Subtract 35 from both sides to get 7x = 28, then divide by 7 to find x = 4.

Front

What is the first step to solve the inequality x < 4?

Back

Identify the values of x that are less than 4.