Business Mathematics Quiz 5 Review Questions

The following is correct: 5x - 2y - 8x + 7y = -3x - 9y Select one: True False

False

-11.4 is the answer for the following equation: -5.3 - 6.1 Select one: True False

True

12 is the answer for the following equation: -36 ÷ -3. Select one: True False

True

13 is the answer for the following equation: 10 - (-3) Select one: True False

True

The following is correct: a + 2(5 - a) + 3(a + 4) = 2a + 22. Select one: True False

True

The following is true: 2(x+3) = 2(x) + 2(3) = 2x + 6 Select one: True False

True

Simplify: -3 - 5 [3^2 + 6 ÷ (-2)] Select one: a. -33 b. 30 c. -28 d. 26

a. -33

Rachael bought a new computer that cost $1,500. She paid $500 down and will pay $50 per week until the balance is zero. Solving the equation 500 + 50x = 1500, how many weeks will its take Rachael to pay off the computer? Select one: a. 20 b. 30 c. 50 d. 25

a. 20

Evaluate the formula A = 3n - 2p when n = 7 and p = -6 Select one: a. 33 b. 24 c. 15 d. 30

a. 33

Use the perimeter formula P = 2L + 2W to find the perimeter of a rectangle 3 meters wide and 5 meters tall. Select one: a. The perimeter is 16. b. The perimeter is 14. c. The perimeter is 18. d. The perimeter is 17.

a. The perimeter is 16.

Solve 12.5 + t = -7.5 Select one: a. t = -20 b. t = 20 c. t = -25 d. t= -18

a. t = -20

solve ½x = 8 Select one: a. x = 16 b. x = 8 c. x = -16 d. x = -8

a. x = 16

Solve 3x = 24 Select one: a. x = 8 b. x = -8 c. x = 3 d. x = -5

a. x = 8

Given the formula: y = 2/3 X^2 + 5, find y when x = -3 Select one: a. y = 11 b. y = -11 c. y = 7 d. y = 5

a. y = 11

Solve the expression: -5 - (-8) - 7 + (-3) Select one: a. 7 b. 17 c. -7 d. -23

c. -7

Solve the expression: (44 x 2) - (-22) Select one: a. 66 b. -110 c. 110 d. -66

c. 110

Solve: 9 = 3(y - 4) Select one: a. y = 8 b. y = 9 c. y = 7 d. y = 6

c. y = 7

Solve 6x + 1 = 19. Select one: a. 1 b. 2 c. 6 d. 3

d. 3

-28 is the answer for the following equation: - 7 (-4) Select one: True False

False

12 is the answer for the following equation: -4 x 3. Select one: True False

False

K = 35 is the answer for the following equation: -7/2 = k/10 Select one: True False

False

The following equation 2x - 4y + 2 + 6x - 5 + y can be simplified to the following: 6x - 3y - 3 Select one: True False

False