Stay Cool Final Quiz: Grade 9
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!
- 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
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