EDPT Algebraic Concepts and Equations 4

Question 1

Which equation represents a line parallel to y = 3x + 1?

Accepted Answer

y = 3x - 7

Answer

Parallel lines have the same slope; y = 3x - 7 has slope 3, matching the original.

Question 2

Evaluate: 2³ + 3²

Accepted Answer

17

Answer

2³ = 8 and 3² = 9; 8 + 9 = 17.

Question 3

What is the product of (x + 5)(x - 2)?

Accepted Answer

x² + 3x - 10

Answer

Using FOIL: x² - 2x + 5x - 10 = x² + 3x - 10.

Question 4

If 4 less than twice a number equals 18, what is the number?

Accepted Answer

11

Answer

2n - 4 = 18, so 2n = 22 and n = 11.

Question 5

Which of the following is equivalent to 16^(1/2)?

Accepted Answer

4

Answer

16^(1/2) means the square root of 16, which equals 4.

EDPT - Electronic Data Processing Test Practice Test