TASC Mathematics 3 — Questions and Answers
Question 1: What is the value of 5^2 - 3^2?
- 4
- 16 (Correct answer)
- 10
- 34
Correct answer: 16
25 - 9 = 16.
Question 2: If a car travels 150 miles in 3 hours, what is its average speed?
- 45 mph
- 50 mph (Correct answer)
- 60 mph
- 75 mph
Correct answer: 50 mph
Speed = distance/time = 150/3 = 50 mph.
Question 3: What is the perimeter of a rectangle that is 8 cm long and 5 cm wide?
- 13 cm
- 26 cm (Correct answer)
- 40 cm
- 18 cm
Correct answer: 26 cm
Perimeter = 2(8 + 5) = 2(13) = 26 cm.
Question 4: Which inequality is true?
- -5 > -2
- 0 < -1
- -3 < 1 (Correct answer)
- 4 < -4
Correct answer: -3 < 1
-3 is to the left of 1 on the number line, so -3 < 1.
Question 5: What is 40% of 250?
- 80
- 100 (Correct answer)
- 110
- 125
Correct answer: 100
0.40 × 250 = 100.
Question 6: Simplify: 4(2x + 3).
- 8x + 3
- 8x + 12 (Correct answer)
- 6x + 7
- 2x + 12
Correct answer: 8x + 12
Distribute 4 to each term: 4(2x) + 4(3) = 8x + 12.
Question 7: What is the volume of a cube with edge length 3 cm?
- 9 cubic cm
- 18 cubic cm
- 27 cubic cm (Correct answer)
- 12 cubic cm
Correct answer: 27 cubic cm
Volume = side^3 = 3 × 3 × 3 = 27 cubic cm.
TASC Mathematics 3
What is the value of 5^2 - 3^2?