GED Math PreTest 1

Solve the following equation.
3x³y² (6x²)=

A. 18x⁶y²
B. 9x⁶y²
C. 9x⁵y²
D. 18x⁵y²

Which of the following ordered pairs is a solution of the system?
7x – 7y= -21
-3x – 4y= 30

A. (-10, -5)
B. (-6, -3)
C. (-7, -1)
D. (-4, 4)

Solve the following equation by completing the square.

x² + 6x

A. (x + 3)²
B. 2(x + 3)
C. (x – 3)²
D. 2(x – 3)

What is the area of the circle above if the radius is 5?

A. 39.26
B. 25
C. 15.71
D. 78.5

Side c measures 35 and side b measures 21. What is the length of side a?

A. 28
B. 32
C. 27
D. 25