Mathematics Review Quiz

Terry had his car repaired at Ace Auto. He was charged $50 per hour of labor plus $150 for parts. His total bill for the repair before tax was $375. How many hours of labor was Terry charged for?

• 3 hours

• 3.5 hours

• 4 hours

• 4.5 hours

Tags

CCSS.7.EE.B.4A

Which situation can be represented by the inequality

15 + 6x ≤ 100?

• 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 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?

Tags

CCSS.7.EE.B.4B

Sheila had $500 in a saving account at the beginning of the summer. She wants to have at least $200 in the account by the end of the summer. She withdraws $25 each week for food, clothes, and movie tickets. Which inequality represents her situation?

• 500 - 25x ≥ 200

• 500 - 25x ≤ 200

• 500 + 25x ≥ 200

• 200 + 25x ≥ 500

Tags

CCSS.7.EE.B.4B

A jar contains 4 white chips, 5 purple chips, and 1 black chip. Chips are selected randomly one at a time, and are not replaced. Calculate the probability getting 1 purple chip then 1 black chip. P (purple then black) is ...

• 1/18

• 3/7

• 2/9

• 4/9

A jar contains 4 white chips, 5 purple chips, and 1 black chip. Chips are selected randomly one at a time, and are not replaced. P (white then white) is ...

• 2/15

• 1/15

• 2/21

• 1/30

• 1/5

• 2/11

• 2/5

• 3/11

Tags

CCSS.7.SP.C.6

The spinner was spun 30 times and landed on blue 12 times. What was the experimental probability of the spinner landing on colors that were not blue?

• 3/10

• 1/4

• 2/5

• 3/5

Tags

CCSS.7.SP.C.6

An outlier is..

• a number that is either much greater than or less than any other numbers in the data.

• a number that is the lowest in the data.

• a number that is the highest in the data.

• a number that is repeated the most in the data.

If the blue function is f(x)=x², then the red function must be

• g(x) = (x + 5)²

• g(x) = (x - 5)²

• g(x) = x² - 5

• g(x) = x² + 5

What is the maximum value of this quadratic equation. $f\left(x\right)=3x-4x^2$ 

• 0.563

• 1.220
  

• -1.220

• 0.502