Polynomials Jeopardy!!

Vocabulary

100

How many terms are in a trinomial?

Three

200

How many terms are in this polynomial: 2x⁴+9x³-5x²+6

4

300

How many terms are in this polynomial? 4y⁵+6xy-3x²

Three

400

Write an example of a polynomial with 4 terms and degree of 3.

Mrs. Elsie will check!

500

Like terms need to have...(two things!!)

1. Same variables 2. Same exponents

Adding Polynomials

100

(x+5)+(3x+9)

4x + 14

200

(3x²+4x)+(2x²-3x)

5x²+x

300

(-4x²+2x-3)+(5x²-4x+8)

x²-2x+5

400

(8x²-4x+3)+(7x²+2x-11)

15x²-2x-8

500

(5x³+4x²-2x+2)+2(2x³-2x²+x+5)

9x³+12

Subtracting Polynomials

100

(7x+4)-(5x+8)

2x-4

200

(6x²+4)-(3x²+5)

3x²-1

300

(2x-4)-2(4x-2)

-6x

400

(6x²-5x+8)-(4x²-7x+9)

2x²+2x-1

500

(6x³+4x²-4x+5)-2(2x³-3x²+5x-5)

2x³+10x²-14x+15

Multiplying Polynomials

100

(3x)(2x+3)

6x²+9x

200

(-5)(3x+2)

-15x²-10

300

(2x)(3x²-6x+1)

6x³-12x²+2

400

(2x²)(x²+5x-2) - 5

4x⁴+10x³-4x² - 5

500

Mr. Waters wants to know how many desks can fit in his classroom next year. The length of his classroom is x+5 ft and the width of her classroom is 2x ft. What is the area of her classroom? Area = lw

2x²+10x square ft

Miscellaneous

100

Simplify: (3x²)(-2x³)

-6x⁵

200

Write the expression:  Three greater than twice a number 

2x+3

300

A taxi company has an initial fee of $6, and a rate of $3 per kilometer.  (Use "C" for cost, and "d" for number of kilometers).  Write an equation for the cost.

C= 3d+6

400

Solve:  5x= -20

x= -4

500

Solve:  2x+4= 10

x=3