Polynomials Jeopardy!!

Vocabulary

1

How many terms are in a trinomial?

Three

2

What is the DEGREE of 2x⁴+9x³-5x²+6

4

3

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

Three

4

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

Mrs. Johnson will check!

5

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

1. Same variables 2. Same exponents

Multiplying Binomials

1

(x + 6)(x + 3)

x² + 9x + 18

2

(3x+9)(x+5)

3x² + 24x + 45

3

(3x+1)(2x+3)

6x² + 11x + 3

4

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

6x² - 11x - 10

5

(x + 10)(x - 10)

x² - 100

Multiplying Polynomials

1

(2x)(3x² + 2x - 10)

6x³ + 4x² - 20x

2

(3x²+4x)(2x²-3x)

6x⁴ -1x³ - 12x²

3

(-4x+6)(x²+5x-2)

-4x³ - 14x² + 38x - 12

4

(2x-4)(3x²-6x+1)

6x³-24x²+26x-4

5

Ms. Waters wants to know how many desks can fit in her classroom next year. The length of her classroom is x+5 ft and the width of her classroom is x-4 ft. What is the area of her classroom? Area = lw

x² + 1x - 20 square ft

Factoring Quadratics

1

x² + 7x + 12

(x + 3)(x + 4)

2

x² - 3x - 10

(x + 2)(x - 5)

3

x² - 5x - 14

(x + 2)(x - 7)

4

x² - 16x + 63

(x - 8)(x - 8)

5

x² -16

(x + 4)(x - 4)

#throwbackthursday

1

Simplify: (3x²)(-2x³)

-6x⁵

2

Simplify: √48x²y³

4xy√3y

3

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

y=2x+6

4

Y varies directly as x. When y=12, x=-2. What is y when x=3? Formula: y=kx

y=-18

5

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

(-1, -5)