PARCC Mathematics 2 — Questions and Answers
Question 1: What is the value of the expression 3(2x - 4) + 5 when x = 3?
- 11 (Correct answer)
- 7
- 13
- 5
Correct answer: 11
3(2·3 - 4) + 5 = 3(2) + 5 = 6 + 5 = 11.
Question 2: A rectangle has a length of 12 cm and a width of 5 cm. What is its area?
- 60 cm² (Correct answer)
- 34 cm²
- 17 cm²
- 120 cm²
Correct answer: 60 cm²
Area = length × width = 12 × 5 = 60 cm².
Question 3: Which fraction is equivalent to 0.75?
- 3/4 (Correct answer)
- 7/5
- 1/4
- 2/3
Correct answer: 3/4
0.75 = 75/100 = 3/4.
Question 4: Solve for x: 4x - 7 = 21.
- 7 (Correct answer)
- 14
- 3.5
- 5
Correct answer: 7
4x = 28, so x = 7.
Question 5: What is the slope of the line passing through points (1, 2) and (4, 11)?
- 3 (Correct answer)
- 9
- 1/3
- 13
Correct answer: 3
Slope = (11 - 2)/(4 - 1) = 9/3 = 3.
Question 6: A bag has 4 red, 3 blue, and 5 green marbles. What is the probability of drawing a blue marble?
- 1/4 (Correct answer)
- 3/8
- 1/3
- 5/12
Correct answer: 1/4
There are 12 marbles total and 3 blue, so 3/12 = 1/4.
Question 7: What is 15% of 200?
- 30 (Correct answer)
- 15
- 300
- 35
Correct answer: 30
0.15 × 200 = 30.
What is the value of the expression 3(2x - 4) + 5 when x = 3?