MDTP Pre-Calculus 3

Question 1

What are the zeros of f(x) = x³ - 4x?

Accepted Answer

x = 0, 2, -2

Answer

x = 0 only

Answer

x = ±2 only

Answer

x = 0, 4, -4

Question 2

Which statement about the function y = 1/x is true?

Accepted Answer

It has a vertical asymptote at x = 0

Answer

It is defined at x = 0

Answer

It has a horizontal asymptote at y = 1

Answer

It is an even function

Question 3

Convert 3π/4 radians to degrees.

Accepted Answer

135°

Answer

100°

Answer

120°

Answer

150°

Question 4

What is the domain of f(x) = √(x - 5)?

Accepted Answer

x ≥ 5

Answer

x > 5

Answer

x < 5

Answer

All real numbers

Question 5

Which form represents a polynomial with roots at x = 1 and x = -4?

Accepted Answer

(x - 1)(x + 4)

Answer

(x + 1)(x - 4)

Answer

(x - 1)(x - 4)

Answer

(x + 1)(x + 4)

Question 6

Simplify: log₃(27) - log₃(3)

Accepted Answer

2

Answer

1

Answer

3

Answer

9