PSAT Math Multiple-Choice Question 819: Answer and Explanation
Question: 819
(x2 + 3x2)3 = ?
- A. 3x12x
- B. 27x5
- C. 28x6
- D. 64x6
Correct Answer: D
Explanation:
(D) Simplify by combining the like terms within the parentheses:
(x2 + 3x2)3 = (4x2)3
Next cube both the 4 and the x2:
(4x2)3 → (43)(x2)3 → 64x6
Test Information
- Use your browser's back button to return to your test results.
- Do more Math Multiple-Choice Tests tests.
More Tests
- PSAT Math Multiple-Choice Test 1
- PSAT Math Multiple-Choice Test 2
- PSAT Math Multiple-Choice Test 3
- PSAT Math Multiple-Choice Test 4
- PSAT Math Multiple-Choice Test 5
- PSAT Math Multiple-Choice Test 6
- PSAT Math Multiple-Choice Test 7
- PSAT Math Multiple-Choice Test 8
- PSAT Math Multiple-Choice Test 9
- PSAT Math Multiple-Choice Test 10
- PSAT Math Multiple-Choice Test 11
- PSAT Math Multiple-Choice Test 12
- PSAT Math Multiple-Choice Test 13
- PSAT Math Multiple-Choice Test 14
- PSAT Math Multiple-Choice Test 15
- PSAT Math Multiple-Choice Test 16
- PSAT Math Multiple-Choice Test 17
- PSAT Math Multiple-Choice Test 18
- PSAT Math Multiple-Choice Test 19
- PSAT Math Multiple-Choice Test 20
- PSAT Math Multiple-Choice Test 21
- PSAT Math Multiple-Choice Test 22
- PSAT Math Multiple-Choice Test 23
- PSAT Math Multiple-Choice Test 24
- PSAT Math Multiple-Choice Test 25