F (x) = 4x2-8x-60 f (x) = 4 (x2-2x-15) f (x) = 4 (x-5) (x+3) whts the true statement of f (x)

A

The zeros of f (x) are - 5 and 3.

B

The vertex of the graph of f (x) is (-5, 3).

C

The vertex of the graph of f (x) is (5, - 3).

D

The zeros of f (x) are 5 and - 3.

Question

Mathematics

Guest

15 November, 04:32

F (x) = 4x2-8x-60 f (x) = 4 (x2-2x-15) f (x) = 4 (x-5) (x+3) whts the true statement of f (x)

A

The zeros of f (x) are - 5 and 3.

B

The vertex of the graph of f (x) is (-5, 3).

C

The vertex of the graph of f (x) is (5, - 3).

D

The zeros of f (x) are 5 and - 3.

+2

Answers (1)

Know the Answer?

Hailee Schwartz · Answer 1

Answer: D

Step-by-step explanation:

No such thing as a vertex of a graph ... Eliminate B and C. Try f (3) = 4 (3-5) (3+3) is not zero eliminate A. So answer must be D. Check: f (-3) has factor - 3+3 = 0. f (5) has factor 5-5 = 0.

F (x) = 4x2-8x-60 f (x) = 4 (x2-2x-15) f (x) = 4 (x-5) (x+3) whts the true statement of f (x)AThe zeros of f (x) are - 5 and 3.BThe vertex of the graph of f (x) is (-5, 3).CThe vertex of the graph of f (x) is (5, - 3).DThe zeros of f (x) are 5 and - 3.

F (x) = 4x2-8x-60 f (x) = 4 (x2-2x-15) f (x) = 4 (x-5) (x+3) whts the true statement of f (x)

A

The zeros of f (x) are - 5 and 3.

B

The vertex of the graph of f (x) is (-5, 3).

C

The vertex of the graph of f (x) is (5, - 3).

D

The zeros of f (x) are 5 and - 3.