Quiz about To Add Polynomials

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

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 3

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 4

(7x² - 3x) + (5x² + x + 3)

Accepted Answer

12x² - 2x + 3

Answer

2x² + 4x + 3

Answer

12x⁴ + 2x² + 3

Answer

2x² - 4x - 3

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

Question 6.

Accepted Answer

x³+3x²+8x

Answer

3x3 +8x

Answer

2x2 +8x

Answer

x³-3x³+8x²

Question 7

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 8

Find the sum

Accepted Answer

D) 4

Answer

A) 1

Answer

B) 2

Answer

C) 3

Question 9

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

Accepted Answer

9x+7

Answer

9x -7

Answer

-9x-11

Answer

x+7

Question 10

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 11

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

Accepted Answer

3x2 - x

Answer

4x2 + 2x

Answer

3x2 + 3x

Answer

3x2 + 2x

Question 12

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 13

Simplify (5x⁴- 4x³- 2x² + x - 19) - (x⁴+ 5x³ + 8x² + x + 5)

Accepted Answer

4x⁴- 9x³- 10x²- 24

Answer

4x⁴- 9x³ - 10x²- 2x - 24

Answer

4x⁴ - 9x³ - 10x² + 2x - 24

Answer

-4x⁴ - 9x³ - 10x² - 24

Question 14

Add or Subtract to Simplify:
(6b³ + 6 - b⁴) - (8b³ - 6b⁴ + 2)

Accepted Answer

5b⁴ - 2b³ + 4

Answer

4b⁴ - 2b³ + 7

Answer

b⁴ - 2b³ + 7

Answer

5b⁴ - 2b³ + 7

Question 15

John and Emily are planning to prepare two types of cookies for a local charity event. The first cookie recipe requires ingredients costing (2x² + 5x - 7) dollars, and the second cookie recipe requires ingredients costing (3 - 4x² + 6x) dollars. How much will the ingredients for both cookie types cost in total?

Accepted Answer

-2x² + 11x -4

Answer

2x²+ 3x +1

Answer

-2x²- 11x -4

Answer

2x² + 5x -7

Question 16

Alice is managing the finances for her two startups over the past year. The profit from the first startup is represented by the equation 4x - 2x³, and the profit from the second startup is given by 5x³ - 4x + 5. Alice needs to calculate the combined annual profit from both startups.

Accepted Answer

3x3 + 5

Answer

3x³ + 8x + 5

Answer

3x2 + 5

Answer

7x³ + 8x + 5

Question 17

Bob and Sarah are planning to prepare two types of cookies for a local charity event. The first cookie recipe requires ingredients costing (2x² + 5x - 7) dollars, and the second cookie recipe requires ingredients costing (3 - 4x² + 6x) dollars. How much will the ingredients for both cookie types cost in total?

Accepted Answer

-2x² + 11x -4

Answer

2x²+ 3x +1

Answer

-2x²- 11x -4

Answer

2x² + 5x -7

Question 18

A mathematician named Dr. Euler is working on polynomial expressions for a new mathematical model and encounters the following problem while simplifying an equation:
(p³ - 6p⁴ + 1) - (8p⁴ - 8p³ + 7)

Accepted Answer

-14p⁴ + 9p³ - 6

Answer

-14p⁴ + 9p³ + 6

Answer

-14p⁴ + 9p³ - 1

Answer

-15p⁴ + 9p³ + 6

Question 19

Lisa and John are comparing their savings over the year. Lisa's savings can be represented by the polynomial (3- 2x + 2x²), indicating her savings in thousands over x months, while John's savings are represented by (4x -5 +3x²), also in thousands over x months. Calculate the difference between Lisa's and John's savings.

Accepted Answer

-x²-6x + 8

Answer

x_² + 6x + 8

Answer

2x²+ 5x - 7

Answer

-2x² + 11x - 4

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