Stay Cool Final Quiz: Grade 9

12 Questions | By Rwesbaker | Last updated: Mar 21, 2022 | Total Attempts: 74

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This is your final quiz for the program. You will have 7 minutes to answer 12 questions. Take some deep breaths, think up some Coping Statements, and good luck!

Questions and Answers

1.

Chantelle won 9 of 15 tennis games she played. At this rate, which of the following is the best prediction of the number of tennis games she will win out of her next 12 games?
- A.
  
  4
- B.
  
  7
- C.
  
  11
- D.
  
  6
2.

Millie entered her dog in a dog show. Her dog got a score of 64. Which measure of data can Millie use to determine whether her dog’s score was in the top half of all scores at the show?
- A.
  
  Median
- B.
  
  Mode
- C.
  
  Mean
- D.
  
  Range
3.

Dante has 5 times as many marbles as Kenny. Juan has 1/3 as many marbles as Dante. If Kenny has 30 marbles, how many marbles does Juan have?
- A.
  
  6
- B.
  
  50
- C.
  
  2
- D.
  
  18
4.

Josh earns money by washing cars in his neighborhood. He spent $215 on supplies and charges $15 for each car washed. Josh’s profit, p, can be represented by the functionp = 15n − 215, where n represents the number of cars that Josh washes. What is the minimum number of cars Josh must wash to make a profit?
- A.
  
  14
- B.
  
  29
- C.
  
  15
- D.
  
  Not here
5.

Which expression is equivalent to −7(x − 2) + 5(3 − x) − 4x?
- A.
  
  −16x + 1
- B.
  
  −16x + 29
- C.
  
  −2x + 1
- D.
  
  −12x + 13
6.

A salesperson’s commission, c, is 6% of her total sales, s. Which function best represents the salesperson’s commission?
- A.
  
  C = 0.06s
- B.
  
  C = s + 0.06
- C.
  
  C = s + 0.06s
- D.
  
  C = ( 6 / s )(100)
7.

If today is Tuesday, what day of the week will it be 100 days from today?
- A.
  
  Tuesday
- B.
  
  Wednesday
- C.
  
  Thursday
- D.
  
  Friday
8.

If the diameter of a circle is dilated by a scale factor of 0.6, what will be the effect on the circle’s circumference?
- A.
  
  The circumference will be 0.3 times as large.
- B.
  
  The circumference will be 0.36 times as large.
- C.
  
  The circumference will be 1.88 times as large.
- D.
  
  The circumference will be 0.6 times as large.
9.

Point S and point T are located on the same coordinate plane. Both the x-coordinate and the y-coordinate for point S are negative. Both the x-coordinate and the y-coordinate for point T are positive. Which statement about the line containing points S and T must be true?
- A.
  
  The graph of the line has a negative slope.
- B.
  
  The graph of the line has a positive slope.
- C.
  
  The graph of the line has a negative y-intercept.
- D.
  
  The graph of the line has a positive y-intercept.
10.

Mr. Sylvester bought gardening supplies for $79.75, not including tax. If the tax rate was 8%, what was the total cost of these gardening supplies, including tax?
- A.
  
  $86.13
- B.
  
  $73.37
- C.
  
  $87.75
- D.
  
  Not here
11.

Desmond wants to take guitar lessons. The one-time registration fee is $60, and each lesson costs $40. Which of the following inequalities can Desmond use to determine x, the number of lessons he can take if he wants to spend no more than c dollars?
- A.
  
  60x + 40x ≤ c
- B.
  
  60 + 40x ≤ c
- C.
  
  60x + 40x ≥ c
- D.
  
  60 + 40x ≥ c
12.

David wants to spread wildflower seeds in a rectangular field that is 60 feet wide and 70 feet long. Each package of wildflower seeds covers about 175 square feet and costs $6.95. Which of the following amounts is closest to the total cost of the wildflower seeds David needs for this field?
- A.
  
  $24.00
- B.
  
  $170.00
- C.
  
  $604.00
- D.
  
  $310.00