Inequality Math

Jacob incorrectly solved 7𝑥< 14 by adding 7 to both sides. Explain his mistake. Jacob should have…

• Subtracted 7 from both sides

• Multiplied 7 to both sides

• Divided by 7 on both sides

• Flipped the sign

Describe in words how to graph the solution set for x < 8 on a number line.

My circle will be:

• open

• closed

Describe in words how to graph the solution set for x < 8 on a number line.

My vector will go to the:

• right

• left

Describe in words how to graph the solution set for x < 8 on a number line. My vector will be pointing towards numbers that are (greater than or less than) 8?

• greater than 8

• less than 8

Which inequality matches the graph?

• x>-2

• x<-2

• x>-2

• x<-2

Pick the correct letter for:
6 > x

• A

• B

• C

• D

-4x + 14 ≤ 54

• x ≥ -10

• x ≤ -10

• x ≥ 10

• x ≤ 10

Katie wants to have at least $200 in her bank account by the end of the month. She currently has $25 in her bank account. Katie makes $12 for each dog that she walks.

Which inequality could help you find how many dogs Katie would have to walk to reach her goal?

• 25 - 12x ≥ 200

• 25 + 12x ≥ 200

• 13x ≥ 200

• 25 + 12x < 200

Which situation can be represented by the inequality
15 + 6x ≤ 100?

• Lazer Zone charges $15 plus $6 per person. If Andrea has a maximum of $100 to spend, how many people can Andrea invite to play laser tag?

• Lazer Zone charges $6 plus $15 per person. If Andrea has a maximum of $100 to spend, how many people can Andrea invite to play laser tag?

• Lazer Zone charges $15 plus $6 per person. If Andrea has a minimum of $100 to spend, how many people can Andrea invite to play laser tag?

• Lazer Zone charges $6 plus $15 per person. If Andrea has a minimum of $100 to spend, how many people can Andrea invite to play laser tag?

10 < 3x + 19

• x < 3

• x > 3

• x < -3

• x > -3