Math Test Set 12

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1. Janet, Cam, and Mike arrive at a school party and there are only four cupcakes left. Everyone else has eaten enough cupcakes and will eat no more. Below is table of all possible ways these four cupcakes could be eaten by these three people. How likely it is that Janet will eat more cupcakes than Cam and Mike, given that before Janet gets to the cupcake table, Cam and Mike have already each eaten a cupcake?

A.\(\frac{4}{15}\), because there are only four possible scenarios in which Janet eats more cupcakes out of the total 15 possibilities.

B.\(\frac{3}{14}\), since for row 1, neither Cam nor Mike has had a cupcake.

C.\(\frac{1}{12}\), because rows 1-3 don't count, as they have Mike and Cam eating only one cupcake between them (and two need to have been already eaten).

D.\(\frac{1}{6}\), since rows 1-5, 7, 8, 11, 12 aren't included as they don't have Cam and Mike as having eaten at least one cupcake each.

Question 1 of 10

2. What would be the slope of a line of best fit?

A.1

B.4

C.\(\frac{1}{4} \)

D.\(\frac{4}{4} \)

Question 2 of 10

3. Suppose x varies inversely as y and x = 16 when y = 5. Find x when y = 20.

A.4

B.32

C.20

D.1

Question 3 of 10

Math-Inequalities

4. Solve the given inequality.

−12x + 4 < −56

A.5

B.-12

C.-5

D.12

Question 4 of 10

Math-Word problems

5. A student’s bank account is overdrawn. After making a deposit of $360, he finds that his account is still overdrawn by an amount of $90. What was his balance before he made his deposit?

A.−$450

B.$450

C.$500

D.−$500

Question 5 of 10

Math-Percent of number

6. What number is 22.4% of 125?

A.28

B.27

C.56

D.14

Question 6 of 10

7. 60% of what number is 90?

A.150

B.90

C.75

D.145

Question 7 of 10

Math- Equations

8. Solve the given equation for x.

9x + 5 = −85

A.-10

B.10

C.85

D.-11

Question 8 of 10

Math-Solution of equations

9. Use the elimination method to solve each of the following systems.

−12x + 9y = 0
−6x − 4y = −34

A.(3, 4)

B.(3, -4)

C.-(3, 4)

D.12

Question 9 of 10

10. Use the elimination method to solve each of the following systems.

−8x + y = −56
4x + 3y = 56

A.(8,8)

B.(-8,-8)

C.(4,4)

D.(2,2)

Question 10 of 10

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