Algebra Unit 3 Day 11 Test Review (Remediation)

Front

What does the inequality x ≤ 55 represent in the context of speed limits?

Back

It indicates that the speed (x) must be less than or equal to 55 miles per hour.

Front

When do you flip an inequality symbol?

Back

You flip the inequality symbol when you multiply or divide both sides of the inequality by a negative number.

Front

Solve the compound inequality: -27 < 7x - 13 < 8. What is the solution?

Back

The solution is -2 < x < 3.

Front

Emilia needs at least $240 to buy headphones. She has saved $30 and earns $14 per car washed. Set up the inequality to find the least number of cars she must wash.

Back

The inequality is 30 + 14x ≥ 240.

Front

Solve for x: 3x + 3 ≥ 30. What is the solution?

Back

The solution is x ≥ 9.

Front

What is a compound inequality?

Back

A compound inequality combines two inequalities into one statement, often using 'and' or 'or'.

Front

Define the term 'inequality' in mathematics.

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 'greater than or equal to'.

Front

What does the symbol '≤' mean?

Back

It means 'less than or equal to'.

Front

If x > 5, what can you say about x?

Back

x is any number greater than 5.