Solving Multi-Step Inequalities and Word Problems

Which symbol represents 'greater than or equal to'?

• <

• >

• ≤

• ≥

In the phrase 'five less than a number X is under 20', what does 'less than' indicate?

• Division

• Addition

• Subtraction

• Multiplication

What is the final solution for the inequality 'five less than a number X is under 20'?

• X < 15

• X > 25

• X < 25

• X > 15

In the inequality 'negative 3x plus 7 is at least 22', which symbol is used?

• ≥

• ≤

• >

• <

What must you do to the inequality symbol when you divide by a negative number?

• Leave it unchanged

• Add 1 to it

• Switch its direction

• Multiply it by -1

What is the final solution for the inequality 'negative 3x plus 7 is at least 22'?

• X ≥ -5

• X ≤ -5

• X ≥ 5

• X ≤ 5

In the word problem about fencing a flower garden, what does 'at most' indicate?

• Greater than

• Less than

• Less than or equal to

• Greater than or equal to

What is the formula for the perimeter of a rectangle?

• 2L * 2W

• L * W

• L + W

• 2L + 2W

In the lemonade stand problem, what is the profit per cup if you charge 50 cents and it costs 30 cents to make?

• 50 cents

• 30 cents

• 20 cents

• 80 cents

How many cups of lemonade must you sell to make more than $20?

• 100

• 150

• 50

• 75