Quiz about Adding and Subtracting Polynomials

Question 1

Add to Simplify:
(4x - 2x³) + (5x³ - 4x + 5)

Accepted Answer

3x3 + 5

Answer

3x³ + 8x + 5

Answer

3x2 + 5

Answer

7x³ + 8x + 5

Question 2

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

Accepted Answer

5x²+ 2x - 2

Answer

7x - 7x + 5x²

Answer

5x2

Answer

5x² + 6x + 8

Question 3

What is the type of polynomial 3x⁴ + 2x² + 5x ?

Accepted Answer

trinomial

Answer

monomial

Answer

binomial

Answer

polynomial

Question 4

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 5

Combine like terms to simplify:
(5x + 2) + (4x + 5)

Accepted Answer

9x+7

Answer

9x -7

Answer

-9x-11

Answer

x+7

Question 6

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 7

Add the polynomials (x-2) and (x²+3)

Accepted Answer

x2+x+1

Answer

x3+5

Answer

x3+1

Answer

x3-1

Question 8

What is the degree of the polynomial 3x⁴ + 2x² + 5x ?

Accepted Answer

4

Answer

1

Answer

2

Answer

3

Question 9

(3x²+xy-5y²) +
(2x²-xy+3y²)

Accepted Answer

5x2-2y2

Answer

5x²-2xy+8y²

Answer

5x2+2y2

Answer

5x²+2xy-8y²

Question 10

Add or Subtract to Simplify:
(4x - 2x³) + (5x³ - 4x + 5)

Accepted Answer

3x3 + 5

Answer

3x³ + 8x + 5

Answer

3x2 + 5

Answer

7x³ + 8x + 5

Question 11

(5x - y) + (2x + 6y)

Accepted Answer

7x + 5y

Answer

7x + 7y

Answer

7x + 6y

Answer

3x - 5y

Question 12

(4a + 6ab - b) + (-2a - ab + 3b)

Accepted Answer

2a + 5ab + 2b

Answer

2a + 7ab + 2b

Answer

6a + 5ab - 2b

Answer

6a + 7ab + 4b

Question 13

(10m - 7n) + (2m - n)

Accepted Answer

12m - 8n

Answer

12m - 6n

Answer

12m + 8

Answer

12m - 6

Question 14

What is the perimeter of the triangle shown?

Accepted Answer

9r2+r-4

Answer

9r2+r-5

Answer

9r⁴+r²-4

Answer

9r2-r+4

Question 15

Add or Subtract to Simplify:
(4x²+ x) - (x²+ 2x)

Accepted Answer

3x2 - x

Answer

4x2 + 2x

Answer

3x2 + 3x

Answer

3x2 + 2x

Question 16

Add or Subtract to Simplify:
(4n⁴ - 8n + 4) - (8n² + 4n⁴ + 1)

Accepted Answer

-8n² - 8n + 3

Answer

-7n² - 8n + 3

Answer

-6n²- 8n + 3

Answer

-7n² - 4n + 3

Question 17

Add or Subtract to Simplify:
(4x - 2x³) + (5x³ - 4x + 5)

Accepted Answer

3x3 + 5

Answer

3x³ + 8x + 5

Answer

3x2 + 5

Answer

7x³ + 8x + 5

Question 18

Add or Subtract to Simplify:
(5x + x² - 4) - (4x - x² + 6)

Accepted Answer

2x² + x - 10

Answer

2x² + x + 2

Answer

x + 2

Answer

x - 10

Question 19

Add or Subtract to Simplify:
(x⁵ + x³) - (6x - x³ + 6x⁵)

Accepted Answer

-5x⁵ + 2x³ - 6x

Answer

7x5 - 6x

Answer

-5x³ + 2x² - 6x

Answer

-5x⁵ - 6x

Adding and Subtracting Polynomials

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