Free ASVAB Section 6: Mathematics Knowledge Exam Braindumps

(3 × 2)(7 – 2)(6 + 2) = (6 × 4)x.
What’s the value of x?

  1. –5
  2. 5
  3. 10
  4. 1

Answer(s): C

Explanation:

Solve the left side of the equation first. (6) (5) (8) = 240. Therefore, 240 = (6 × 4)x, which equals 240 = 24x. Now isolate x by dividing both sides of the equation by 24:
240 ÷ 24 = 24x ÷ 24 or 10 = x.
Check your answer by substituting 10 for x in the original equation.



Solve for x: 2x – 6 = x + 5

  1. 3
  2. 11
  3. 7
  4. 5

Answer(s): B

Explanation:

Isolate x on one side of the equation:
2x – 6 = x + 5
2x – 6 – x = x + 5 – x x – 6 = 5
x – 6 + 6 = 5 + 6
x = 11
Check by substituting 11 for x in the original equation.



If I = prt, and p = $1,000, r = 7%, and t = 1, what does I equal?

  1. $35
  2. $1,000
  3. $700
  4. $70

Answer(s): D

Explanation:

Solve for I.
I = (1,000) (7%) (1) or I = (1,000) (0.07) (1) = 70.



A circle has a radius of 5 inches. What’s its approximate area?

  1. 78.5 inches
  2. 70.0 inches
  3. 314.0 inches
  4. 25.0 inches

Answer(s): A

Explanation:

The area of a circle is A = πr2. A = π52. π is approximately 3.14, so 3.14 × 25 means A is approximately 78.5 inches.






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