Inequalities Quick Check

Ms. Hernandez is taking her children and their friends to the movies. She will pay $10 for her adult ticket and $7 for each child ticket. Ms. Hernandez does not want to spend more than $40. Which inequality can be used to find c, the number of child tickets Ms. Hernandez can purchase?

• 7 + 10x > 40

• 10x - 7 ≤ 40

• 10 + 7x > 40

• 10 + 7x ≤ 40

If x = -3, then which inequality is true?

• -5x + 2 ≤ 12

• 3x - 7 ≥ -16

• 14 + 2x < 5

• 1/2x + 6 > 11

The number line below represents the solution to which inequality?

• -2x + 7 ≥ 8

• 7x + 11 ≤ 4

• 6x - 9 ≤ -21

• -3x -15 ≤ -27

• 4 + X < 320

• 4 + X > 320

x fewer than 6

• x < 6

• x > 6

• x ≥ 6

• x ≤ 6

x is less than -3

• x < -3

• x > -3

• x ≤ -3

• x ≥ -3

What would be the first step in solving the inequality for 2x+7>15?

• Add 7 to both sides

• Subtract 7 from both sides

• Divide both sides by 2

• Multiply both sides by 2

What does this symbol represent?

• less than

• greater than

• less than or equal to

• greater than or equal to

x > 8

• expression

• equation

• inequality

At most and No more than are both clue words for...

• <

• >

• ≤

• ≥