Solve and Translate Inequalities

Which sentence represents m > 41?

• Mary’s points, m, totaled more than 41

• Calvin ran no less than 41 miles, m

• The temperature, m, was less than 41°F

• The magazines’ cost, m, was not more than $41.

-3y + 2 > 11 Solve for y

• y < -3

• y > -3

• y < 3

• y > 3

b - 6 < -15

• A

• B

• C

• D

Translate into a correct inequality: Six increased by twice a number is no more than 20.

• 6x + 2 ≥20

• 6x + 2 > 20

• 6 - 2x ≤20

• 6 + 2x ≤20

Translate into an inequality: Six less than double a number is less than 18.

• 6 - 2x < 18

• 6 - 2 - x = -18

• 6 - 2x ≤ 18

• 2x - 6 < 18

You flip an inequality symbol when you...

• subtract

• multiply and divide only

• multiple by a negative number

• multiple or divide by a negative number

Jessica has $10 to spend at Target. She wants to buy some candy bars that cost $1.50 and one t-shirt that costs $6. What is the maximum number of candy bars she can buy? Which inequality can be used to solve this?

• 1.50 + 6c = 10

• 1.50c + 6 < 10

• 1.50 + 6c < 10

• 1.50c + 6 < 10

What inequality does the number line graph represent?

• x >= 3

• x > 3

• x < -3

• x <= 3

What inequality does the number line graph represent?

• 2x +1 < -3

• x + 2 < 4

• -x + 3 > 1

• x + 4 >= 2

What inequality does the number line graph represent?

• x ≤ 4

• x ≥ -4

• x < -4

• x < 4