Polynomials

Vocabulary

100

What part of a term is a letter that represents an unknown number?

variable 

200

the "2" in x² means that x is multiplied (x times x). This "2" is an example of?

exponent 

300

The term in a polynomial that has no variable and is at the end?

Constant 

400

Standard form for a polynomial is ax²+bx+c...

Put this term in standard form(on the white board):

5x +2 + 3x²

3x²+5x+2

500

Standard form for a polynomial is ax²+bx+c...

Put the polynomial in standard form (white board):

-2 +4x -2x²

-2x²+4x-2

Distribute

100

distribute (white board):

2(3x)

6x

200

distribute (white board):

2x(4x)

8x²

300

distribute (white board):

2(x+6)

2x+12

400

distribute (white board):

2x(4x-1)

8x²-2x

500

distribute (white board):

4(x²-x+1)

4x²-4x+4

Adding

100

add the polynomial (white board):

(x+1)+(3x+3)

2x+4

200

add the polynomial (white board):

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

8x+3

300

add the polynomial (white board):

(4x²+4x+2)+(6x²+x+3)

10x²+5x+5

400

add the polynomial (white board):

(x²-5x+9)+(-x²+4x-8)

-x+1

500

add the polynomial (white board):

(2x²+4)+(5x-3)

2x²+5x+1

Subtracting

100

subtract the polynomial (white board):

(x+1)-(x+1)

0

200

subtract the polynomial (white board):

(2x+7)-(x-2)

x+9

300

subtract the polynomial (white board):

(5x²-6x+8)-(4x²+5x+6)

x²-11x+2

400

subtract the polynomial (white board):

(8x²+5x+3)-(6x²-2x-1)

2x²+7x+4

500

subtract the polynomial (white board):

(3x²+6x)-(3x+6)

3x²+3x-6

Calculator Potpourri

100

(show me on a calculator)

How do you create a new document?

1) home button

2)#1 (New)

3) "no to save"

4) press calculator or graph

200

add the following fractions:

2/3 + 5/2 +7/8

97/24

300

put this fraction into the calculator are write (whiteboard) the simplified result

81/648 

1/8

400

evaluate the expression

4²-6(3+1)

-8

500

evaluate:

4(2/4²-3)-5(7-9)

138/13