Math 9 Polynomials

Multiply mono and poly

100

2x(a+b)

What is 2xa+2xb

200

-4x(x-yz)

What is -4x^2+4xyz

300

y⁴(3y-7y²+1)

What is 3y⁵-7y⁶+y⁴

400

y²(2ky)³

What is 8k³y⁵

500

my³(10m²y⁵)²

What is 100m⁵y¹³

Divide mono and poly

100

4x²y/28x

What is xy/7

200

ab/(3a²)

What is b/(3a)

300

-2xy²/(6y)

What is -xy/3

400

3a⁵/(6a²)

What is a³/2

500

-2x²yz/(18xz²)

What is -xy/(9z)

Vocabulary

100

An expression with degree 1

What is linear?

200

A polynomial with exactly 3 terms

What is a trinomial?

300

A monomial with degree 0

What is a constant? 

400

An expression with degree of 3

What is a cubic? 

500

The degree of 4x²y²z - xy + y³z

What is 5? 

Adding and subtracting poly

100

3x+x-4x+x

What is x? 

200

4x-x-y-4y+2

What is 3x-5y+2

300

(2z²-5z+1)+(5z+1-4z²)

What is -2z²+2

400

-(3x+2y-5)-(4y+3-x)

What is -2x-6y+2

500

(9y²+a+y)-(14y+2)+(a-y²)

What is 8y²+2a-13y-2

Challenge Qs

100

To determine the degree of the polynomial, one must? 

What is the highest exponent value from adding up all the exponents for each variable(s) in each terms of the polynomial? 

200

Add the polynomials: (9x - 6) + (-5x + 7)

What is 4x + 1?

300

Subtract the polynomials: (-7x²y + xy + 3x + 2) - (5x²y - 5xy - 6x - 7)

What is - 12x^2y + 6 xy + 9x + 9

400

The height, h(t) in feet of an object thrown into the air with an initial upward velocity of 63 feet per second is given by the formula h(t) = -16t² + 63t, where t is the time in seconds. What is the height of the object after 3 seconds?

What is 45 feet? 

500

In the formula A = P(1+r)^t, P is the principal, r is the annual rate of interest, and A is the amount after t years. An account earning interest at a rate of 4% has a principal of $2,000. If no more deposits or withdrawals are made, about how much money will be in the account after three years?

What is $2249.73?