Quiz about Intro to Polynomial Addition and Subtraction

Question 1

(4x³-5x²+3x)+(-2x³-x²+6x)

Accepted Answer

2x³-6x²+9x

Answer

2x³-6x²-9x

Answer

2x³+6x²+9x

Answer

-2x³-6x²+9x

Question 2

(3x + 4y - 3z) - (2x - 6y + 7z)

Accepted Answer

x + 10y - 10z

Answer

-x +10y - 10z

Answer

x -10y - 10z

Answer

-x -10y - 10z

Question 3

(2x + 5y - z) + (-6x - 4y + 7z)

Accepted Answer

-4x + y + 6z

Answer

-4x +6y + 6z

Answer

4x + y + 6z

Answer

-4x - y + 6z

Question 4

What is the correct name of the following:
3xy + 4x + 5y + 6

Accepted Answer

polynomial

Answer

monomial

Answer

binomial

Answer

trinomial

Question 5

Question 5.

Accepted Answer

3x³+6x²+3x+15

Answer

3x³+5x²+3x+15

Answer

3x³+6x²+3x+16

Answer

2x³+5x²+2x+16

Question 6

Accepted Answer

$$-3n^4\ -\ 3n^2\ -4$$

Answer

$$-3n^4\ -\ 3n^2\ +2$$

Answer

$$-3n^2\ +\ 2$$

Answer

$$3n^2\ -\ 2$$

Question 7

3x³+8x

x³+3x²+8x

2x²+8x

x³-3x³+8x²

Accepted Answer

x³+3x²+8x

Answer

3x3 +8x

Answer

2x2 +8x

Answer

x³-3x³+8x²

Question 8

Find the sum.
(3y² + y³ - 5) + (4y² -4y + 2y³ + 8)

Accepted Answer

3y³+ 7y²- 4y + 3

Answer

4y² + 3y³ - y + 3

Answer

-y⁴ + 2y³-y - 4

Answer

4y³+ 3y²-3y + 1

Question 9

Add the polynomials.
(2x + 5y) + (3x - 2y)

Accepted Answer

5x + 3y

Answer

3x + 5y

Answer

5x + 7y

Answer

7xy + 1xy

Question 10

Simplify each expression.
(6x + 4x⁴ - 3x²) + (7x⁴ + 5x² + 8x)

Accepted Answer

11x⁴ + 2x² + 14x

Answer

16x⁴ + x² + 14x

Answer

11x⁴ + x² + 14x

Answer

11x⁴ + 2x² + 10x

Question 11

Simplify the expression.
(4a³ - 8a - 4a²) + (7a³ - 7 - 6a)

Accepted Answer

11a³ - 4a² - 14a - 7

Answer

5a³ - 4a² - 14a - 7

Answer

5a³ - 4a² - 20a - 7

Answer

5a³ - 9a² - 20a - 7

Question 12

Find the difference.
(3- 2x + 2x²) - (4x -5 +3x²)

Accepted Answer

-x²-6x + 8

Answer

x_² + 6x + 8

Answer

2x²+ 5x - 7

Answer

-2x² + 11x - 4

Question 13

Simplify
(4x³-3x² + 6x - 4) - (-2x³ + x² -20)

Accepted Answer

6X³ -4X² + 6X -2

Answer

4x² - 6x³- 2x + 6

Answer

3x + 5x²+ 1

Answer

3x + 2

Question 14

Simplify
(3- 2x + 2x²) - (4x -5 +3x²)

Accepted Answer

-x²-6x + 8

Answer

x_² + 6x + 8

Answer

2x²+ 5x - 7

Answer

-2x² + 11x - 4

Question 15

Simplify
(a³-8a+8a²)-(5a+5a²+5a³-2a⁴)

Accepted Answer

2a⁴-4a³+3a²-13a

Answer

7a⁴-4a³+3a²-13a

Answer

7a⁴+4a³+3a²-13a

Answer

2a⁴+4a³-3a²-13a

Question 16

Find the sum.
(5x²-3x + 4) + (6x -3x²- 3)

Accepted Answer

2x² + 3x +1

Answer

3x² + 2x + 1

Answer

2x² + 5x - 7

Answer

3x²+ 4x⁵ -7x

Question 17

Classify by the number of terms:
4r⁶ - 3r² - 8r⁴

Accepted Answer

Trinomial

Answer

Monomial

Answer

Binomial

Answer

Polynomial

Question 18

Classify by the number of terms:
10 + 8x

Accepted Answer

Binomial

Answer

Monomial

Answer

Trinomial

Answer

Polynomial

Question 19

A polynomial that has two terms

Accepted Answer

Binomial

Answer

Monomial

Answer

Trinomial

Answer

Polynomial

Intro to Polynomial Addition and Subtraction

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