Adding and Subtracting Polynomials
Add the polynomials:
(2x + 2) + (3x + 1)
5x +3
What do you do when your multiplying polynomials?
Take each term of one polynomials and multiplying it by each term of the other. Multiply the coefficients and add the exponents.
What is the name for the point where a graph crosses the x-axis?
x-intercepts
If you drop a yellow hat in the Red Sea, what does it become?
wet
What is the name of the Grinch's dog?
Max
Add the polynomials
(3x2 + 4x + 5) + (x2 + 5x + 2)
4x2 + 9x + 7
(5x2)(-2x)
-10x3
What is the name for the point where the graph crosses the y-axis?
y-intercepts
What is full of holes but still holds water?
A sponge
In The Polar Express, what is the first gift of Christmas?
A bell from Santa’s sleigh
Add the polynomials:
(6x2 + 14x - 5) + (3x2 - 10)
9x2 + 14x - 15
2x(-8x2 + 3)
-16x3 + 6x
A graph has the x-intercepts of -2 and 3. What are the factors? Hint: (x_____)(x_____)
(x + 2)(x - 3)
What has 13 hearts, but no arms, legs, or bellybuttons?
A deck of cards
In the movie It’s a Wonderful Life, what happens every time a bell rings?
An angel gets it's wings
Add the polynomials
(2x2 + 1) + (2x2 - 2x + 6)
4x2 - 2x +7
(-10x)(-7x2)(-x)
A graph goes up at both (left and right) ends. What is the end behavior?
As x goes to positive and negative infinity, f(x) goes to positive infinity.
What five-letter word becomes shorter when you add two letters to it?
Short
In the United Kingdom and other Commonwealth countries, what is the day after Christmas called?
Boxing day
Subtract the polynomials
(3x2 - 2x - 2) - (2x2 - x + 1)
x2 - x -3
Solve
(x+2)(8x-2)
8x^2 + 14x - 4
A graph goes down at both (left and right) ends. What is the end behavior?
As x goes to positive and negative infinity, f(x) goes to negative infinity.
What word is always pronounced wrong?
WRONG
What are the first words Frosty the Snowman says when he comes to life in the TV special?
Happy Birthday!