7R Unit 4 Inequalities Flashcard Review - Updated

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions using symbols such as <, >, ≤, or ≥.

Front

Solve the inequality: -8x < 48.

Back

x > -6.

Front

What does the inequality x ≥ 3 mean?

Back

It means that x can be 3 or any number greater than 3.

Front

What inequality represents the situation: Stacy has $25 and wants at least $150 by selling lemonade for $0.50 a cup?

Back

25 + 0.50x ≥ 150.

Front

Solve the inequality: 5 + x > 7.

Back

x > 2.

Front

What is the solution set for the inequality x < -3?

Back

The solution set includes all numbers less than -3.

Front

What does the symbol '>' represent in inequalities?

Back

It represents 'greater than'.

Front

What is the solution to the inequality x + 9 > 16?

Back

x > 7.

Front

How do you graph the inequality x ≤ -3 on a number line?

Back

Draw a closed circle on -3 and shade to the left.

Front

What is the difference between ≤ and < in inequalities?

Back

≤ includes the number, while < does not.