Polynomial Intro Worksheet

Polynomial Functions Worksheet 1 • .

.

I. Write each of the following polynomial functions in standard form and then give its degree.

1. y = 7x + 3x + 5

2. f(x) - 5 - 3x

3. y = 2 x 2 - 3 + 7 x

4. P(x) »-x 3 + x4 + x

6. g(x) = x 3 -

II. Determine whether each of the following expressions is a polynomial and if so, give its degree. 1. 4x4 + x2 +x3 + x +• 1

2. 3* + 2*-x-l

i 5 6 2 4 . 3. — ; c + —* +5 7 3

^ 8 7 4. ——r x x

v5

v3

5- i-i-

6.

III. Evaluate each of the polynomials at the number given:

1. P(x) = -4x2 + 8x a.) P(-l)

b.) P(2)

c.)P( —

b.) P(3)

C )P

4}

d.)P(-3i)

b.) P(-2)

c.)P(i)

d.) P(-2i)

c.) P(2)

d.) P(-2)

2.) P(x) - x3 - 9x a.) PM)

'

3.) P(x) = x4 -3x2 +7x +8 a.) P(-l)

4.) P(x)= -x*+~x3+-x2+~,-c + ~ 4 8 8 8 8 A \

-r\ /

\

a.) P(-l)

i

4

1

i

J

7

D

/

b,) P(l)