Unit 4 Study Guide

Front

Solve the inequality: 1/2x < 15

Back

x < 30

Front

Which inequality represents the graph where x is greater than 0?

Back

x > 0

Front

Solve: n + 7.8 = 15

Back

n = 7.2

Front

Chris watches TV twice as much as Sam. If Chris watched for 38 hours, write an equation for Sam's hours (S).

Back

2S = 38

Front

Which inequality represents the graph where x is less than -3?

Back

x < -3

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 not equal to the other.

Front

What does the symbol '<' mean?

Back

It means 'less than'.

Front

What does the symbol '>' mean?

Back

It means 'greater than'.

Front

How do you solve the equation: 3x = 12?

Back

x = 4

Front

What is the first step in solving the inequality: 5x + 3 < 18?

Back

Subtract 3 from both sides: 5x < 15.