MATH 24

Simplify: 20 + 4^3 ÷ (-8)

• 5

• 7

• 12

• 10

Simplify: (2a – 4) + 2(a – 5) – 3(a+1)

• a + 17

• a – 17

• a – 11

• 7a – 11

Evaluate the expression: 4a^2 - 4ab + b^2, when a = 2 and b = 5

• 0

• 1

• 2

• 3

Firefighters use the formula S = 0.5P + 26 to compute the horizontal range S in feet of water from a particular hose, where P is the nozzle pressure in pounds. Find the horizontal range if pressure is 90 lb.

• 44 feet

• 51 feet

• 63 feet

• 71 feet

John averaged 82 out of 100 on his first three tests. What was John’s score on the fourth test if his average after the fourth test dropped to 79 out of 100?

• 25

• 40

• 55

• 70

The profit, P, realized by a company varies directly as the number of products s it sells. If a company makes a profit of $7800 on the sale of 325 products, what is the profit when the company sells 5000 products?

• $120,000

• $100,000

• $80,000

• $60,000

If the voltage, V, in an electric circuit is held constant, the current I, is inversely proportional to the resistance, R. If current is 120mA (milliampere) when resistance is 5 ohms, find the current when the resistance is 15 ohms.

• 40mA

• 357mA

• 360mA

• 200mA

A 36 foot long tube is cut into two pieces with ratio 4:5. Find the length of the shorter piece.

• 20 feet

• 16 feet

• 12 feet

• 8 feet

A large square pizza has 49 pieces (square slices). John,

Jack and Jane ate all the pieces in the ratio 4:2:1 respectively.How many pieces did Jack eat?

• 24 pieces

• 10 pieces

• 14 pieces

• 7 pieces

Find the equation of the straight line passing through the

points (2,‐4) and (1,0).

• y = ‐ 4x + 4

• y = ‐ 4x - 4

• y = 4x – 4

• y = 4x + 4