ASVAB Math Knowledge Practice Test 508574 Results

Your Results Global Average
Questions 5 5
Correct 0 2.90
Score 0% 58%

Review

1

If the area of this square is 36, what is the length of one of the diagonals?

69% Answer Correctly
5\( \sqrt{2} \)
3\( \sqrt{2} \)
6\( \sqrt{2} \)
2\( \sqrt{2} \)

Solution

To find the diagonal we need to know the length of one of the square's sides. We know the area and the area of a square is the length of one side squared:

a = s2

so the length of one side of the square is:

s = \( \sqrt{a} \) = \( \sqrt{36} \) = 6

The Pythagorean theorem defines the square of the hypotenuse (diagonal) of a triangle with a right angle as the sum of the squares of the other two sides:

c2 = a2 + b2
c2 = 62 + 62
c2 = 72
c = \( \sqrt{72} \) = \( \sqrt{36 x 2} \) = \( \sqrt{36} \) \( \sqrt{2} \)
c = 6\( \sqrt{2} \)


2

The dimensions of this trapezoid are a = 4, b = 4, c = 5, d = 4, and h = 2. What is the area?

51% Answer Correctly
20
8
14
35

Solution

The area of a trapezoid is one-half the sum of the lengths of the parallel sides multiplied by the height:

a = ½(b + d)(h)
a = ½(4 + 4)(2)
a = ½(8)(2)
a = ½(16) = \( \frac{16}{2} \)
a = 8


3

If the length of AB equals the length of BD, point B __________ this line segment.

46% Answer Correctly

intersects

bisects

midpoints

trisects


Solution

A line segment is a portion of a line with a measurable length. The midpoint of a line segment is the point exactly halfway between the endpoints. The midpoint bisects (cuts in half) the line segment.


4

What is the area of a circle with a diameter of 10?

70% Answer Correctly
25π
81π

Solution

The formula for area is πr2. Radius is circle \( \frac{diameter}{2} \):

r = \( \frac{d}{2} \)
r = \( \frac{10}{2} \)
r = 5
a = πr2
a = π(52)
a = 25π


5

Solve for z:
6z + 2 > -7 - 2z

55% Answer Correctly
z > -1
z > -1\(\frac{1}{8}\)
z > 1\(\frac{1}{3}\)
z > \(\frac{2}{3}\)

Solution

To solve this equation, repeatedly do the same thing to both sides of the equation until the variable is isolated on one side of the > sign and the answer on the other.

6z + 2 > -7 - 2z
6z > -7 - 2z - 2
6z + 2z > -7 - 2
8z > -9
z > \( \frac{-9}{8} \)
z > -1\(\frac{1}{8}\)