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Question

1. question fifteen.

Find the indicated value.

Find f(0) when f(x) = - x

a 0

b -7

c - 1/7

d undefined

2. Factor the polynomial completely.

(x - y)3 + 8

a (x - y + 2)(x2 + 2xy + y2 - 2x - 2y + 4)

b (x - y - 2)(x2 - 2xy + y2 + 2x + 2y + 4)

c (x - y + 2)(x2 - 2xy + y2 + 2x + 2y + 4)

d (x - y + 2)(x2 - 2xy + y2 - 2x + 2y + 4)

3.Factor the polynomial completely.

81x2 - 144x + 64

a (9x - 8)(9x + 8)

b (9x + 8)2

c (81x + 1)(x + 64)

d (9x - 8)2

4.Factor the polynomial completely.

(x - 9)2 - 36

a (x - 3)(x - 15)

b (x + 3)(x + 15)

c (x + 27)(x - 45)

d (x - 15)2

5.Factor the polynomial completely.

72x2 + 120xy + 50y2

a 2(6x + 5y)(6x - 5y)

b 2(6x + 5y)2

c 2(6x - 5y)2

d prime polynomial

6. Factor the polynomial completely.

x3y2 + 729y2

a y2(x + 9)(x2 - 9x + 81)

b (xy + 9)(x2y2 - 9x + 81)

c y2(x + 9)(x2 + 81)

d y2(x - 9)(x2 + 9x + 81)

7. Factor the polynomial completely.

x3 - 1000

a (x - 10)(x2 + 100)

b (x + 1000)(x + 1)(x - 1)

c (x + 10)(x2 - 10x + 100)

d (x - 10)(x2 + 10x + 100)

8.Factor the polynomial completely.

x2 + 35x + 36

a (x + 36)(x + 1)

b (x + 9)(x + 4)

c (x + 36)(x - 1)

d prime polynomial

9.Factor the polynomial completely.

x2 + x - 12

a (x + 1)(x - 12)

b (x - 3)(x + 4)

c (x - 4)(x + 3)

d prime polynomial

10.Factor the polynomial completely.

x2 + 7xy - 18y2

a (x - 9y)(x - 2y)

b (x + 9y)(x - 2y)

c (x - 9y)(x + y)

d prime polynomial

11. Factor the polynomial completely.

12x6 + 7x3 - 12

a 12(x3 - 3)(x3 + 4)

b (4x3 + 3)(3x3 - 4)

c (3x3 + 1)(4x3 - 12)

d (3x3 + 4)(4x3 - 3)

12. Factor the polynomial completely.

49x2 + 112x + 64

a (7x + 8)(7x - 8)

b (7x + 8)2

c (49x + 1)(x + 64)

d (7x - 8)2

13.Find the degree of the term.

-10x

a degree -10

b degree 0

c degree 1

d no degree

14.Simplify.

If P(x) = 4x + 5, find P(x + h).

a x + h + 5

b 4x + 4h + 5h

c 4x + 4h + 5

d 4x + h + 5

Answer 1

Sorry but If you can't do (1), there's no point giving you any help with the rest. You need serious help from your teacher.

Answer 2

If F(X)=-1X, then F(0)=-0=0