Adding & Subtracting Polynomial Notes

Multiple Choice

Which number is the degree of the polynomial? $$4x+2x^3-6$$

(Hint: look at your definition for degree on your notes!)

• 6

• 4
• 2
• 3
• x

Match

Match the terms that are like terms to each other.

(Hint: Like term is same variable and exponent)

• 7x⁵

• 3y²

• 5y³

• 4x²

• 9x³

2x⁵

1y²

6y³

3x²

7x³

• 2x⁵

• 1y²

• 6y³

• 3x²

• 7x³

Drag and Drop

What do you get after adding the following like terms?

-4x² + 5x² =​

Placeholder

1x + -9x =​

Placeholder

-3 + 11 =​

Placeholder

Drag these tiles and drop them in the correct blank above

​Only add the ones with the same letter and exponent together!

Multiple Choice

What is the solution to $$\left(2x-3x^2+12\right)-\left(9x^2-3+4x\right)$$ ?

• -15x² + x + 5

• -8x² - 3x + 10

• -5x² + 4x + 12

• -10x² + 2x - 3

• -12x² - 2x + 15

Drag and Drop

What do you get after adding the following like terms?

-5x² + -1x² =​

Placeholder

2x + 2x =​

Placeholder

-3 + 13 + 1 =​

Placeholder

Drag these tiles and drop them in the correct blank above

Math Response

What is the answer to question 5?

$$\left(12x^2-5x+1\right)\ +\ \left(-8x^2-2x+4\right)$$

Type answer here

Correct Answer: 4x^2-7x+5

Deg^°

Rad