Midterm

Identifying polynomials

100

3x²+1

binomial

200

5x-4

binomial

300

21

monomial

400

4x²+x-3

trinomial

500

x

monomial

Polynimals in stanard form

100

9x-7x=

2x

200

2x²⁺1x-6x³=

-6x³+2x³+x

300

7x(3x-x²+6x⁴)

42x⁵-7x³+21x²

400

5x(3x²+2x+1)

15x³+10x²+5x

500

5x²-9x⁵+8x³-11=

-9x⁵+8x³+5x²-11

Function notation

100

f(x)=3x+2

f(3)

f(3)=10

200

f(x)=4x-2

f(-2)

f(-2)=-10

300

f(x)=4x-2
f(x)=14

x=4

400

k(x)=2x-3

k(0)

x=1

500

p(x)=x²+5x-3

p(-2)

x=-9

linear functions

100

x-2y=7

y=1/2x-7/2

200

2x+3y=-7

y=-2/3x-7/3

300

4x+y=5

y=-4x+5

400

4x-3y=6

y=4/3x-2

500

7x+2y=-28

y=-7/2x-14

linear equations

100

x+5=12

x=7

200

p/4=7

p=28

300

12-5d=52

d=8

400

17-3x=5x-47

x=8

500

4=9d+4

d=0