Question

please check 3 questions

Answer 1

11. Factor the GCF: 28a^3b^4 + 20a^2b^2 − 16ab^3.

4ab(7a^2b + 5a − 4b2)
4ab2(7a^2b + 5a − 4b)
4ab2(7a^2b^2 + 5a − 4b)
4ab(7a^2b^3 + 5a − 4b)

^ i think this is C

13. Determine the factors of x^2 − 7x − 10.

(x + 2)(x − 5)
Prime
(x − 2)(x + 5)
(x + 10)(x − 1)

^ i think this is B

14. The equation f(x) = 4x^2 − 16x + 9 represents a parabola. What is the vertex of the parabola?

(2, −7)
(−2, 57)
(4, 9)
(−4, −137)

^ i think this is A

Answer 2

11. C I think yo'ure right :-)

Answer 3

14 correct

Answer 4

For 13, 'Prime' is "no integer zeros" ?

Answer 5

@reemii C is right for 11 just checked it again :)

Answer 6

All are correct.

Answer 7

@studyhoney yes, I corrected my post . good job

Answer 8

Prime means not factorable.

Answer 9

\((x-x_1)(x-x_2)\) with \(x_1,x_2 = \frac{7\pm \sqrt{89}}{2}\) is not an option then?

Answer 10

Factorable means rational factors.
Irrational factors make the polynomial considered unfactorable, or prime.