Polynomials Jeopardy!!

Vocabulary

100

How many terms are in a trinomial?

Three

200

What is the DEGREE of 2x⁴+9x³-5x²+6

4

300

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

Three

400

Write an example of a 4 term polynomial with a degree of 3.

Mr. Kennedy 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+1)(2x+3)

6x²+12x+3

200

(2x-5)(3x+2)

6x²-4x-10

300

(2x-4)(3x²-6x+1)

6x³-24x²+26x-4

400

(2x²-4x+6)(x²+5x-2)

2x⁴+6x³-18x²+38x-12

500

Mr. Kennedy wants to know how many desks can fit in his classroom next year. His classroom is a square. The length of one wall is 3x² - 5 feet. What is the area of his classroom? Area = s²

9x² - 30x +25 square feet

#throwbackthursday

100

Simplify: (3x²)(-2x³)

-6x⁵

200

Simplify: √48x₂y₃

4xy√3y

300

Convert to slope-intercept form: 4y-8x=24

y=2x+6

400

Sally rides her bike 5 miles North and then 12 miles East. If she were to ride straight back to her starting point, how far would the last leg of her ride be?

13 miles

500

Solve the system of equations (use substitution or elimination): y=3x-2 y=-x-6

(-1, -5)