IBEW Aptitude Test Solving Linear Equations Questions and Answers 2

Question 1

Solve: 8x + 4 = 36

Accepted Answer

x = 4

Answer

8x = 32. x = 4.

Question 2

Solve: 9 - 3x = 0

Accepted Answer

x = 3

Answer

9 = 3x. x = 3.

Question 3

Solve: (2x + 6)/4 = 5

Accepted Answer

x = 7

Answer

2x + 6 = 20. 2x = 14. x = 7.

Question 4

Solve the equation: 5x - 8 = 2x + 7

Accepted Answer

x = 5

Answer

3x = 15. x = 5.

Question 5

Using the formula P = IV, if P = 1,200 watts and V = 120 volts, solve for I.

Accepted Answer

I = 10 amps

Answer

I = P/V = 1200/120 = 10 amps.

IBEW - Aptitude Test Practice Test