Quiz about 7.2 Multiplying Polynomials

Question 1

Add the polynomial (-3x + 4) + (8x - 5)

Accepted Answer

5x - 1

Answer

5x - 9

Answer

11x - 1

Answer

11x - 9

Answer

None of these

Question 2

(4q⁴ - 9q) - (6q + 8q⁴)

Accepted Answer

-4q⁴ - 15q

Answer

4q⁴ + 15q

Answer

-4q⁴ - 3q

Answer

4q4 + 3q

Question 3

(8 - 5c²) - (4c⁴ - 6 + 9c²)

Accepted Answer

-4c⁴ - 14c² + 14

Answer

-4c⁴ + 4c² + 2

Answer

4c⁴ + 4c² + 14

Answer

4c⁴ + 14c² - 14

Question 4

(2 + 3s⁴) - (5s⁴ + 8)

Accepted Answer

-2s4 - 6

Answer

2s4 + 6

Answer

-2s⁴ + 10

Answer

2s4 + 10

Question 5

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 6

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 7

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 8

What is the standard form of the polynomial,
9x² + 5x + 27 + 2x³

Accepted Answer

2x³ + 9x² + 5x + 27

Answer

27 + 5x + 9x² + 2x³

Answer

9x² + 5x + 2x³ + 27

Answer

9x² + 5x + 27 + 2x³

Question 9

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 10

Write the expanded (general) form of the product (x+3)(x+6).

Accepted Answer

x2+9x+18

Answer

x2+18x+9

Answer

x2+18x+18

Question 11

The length of a rectangle is x - 5. The width is x + 1. What is the area?

Accepted Answer

$$x^2\ -\ 4x\ -\ 5$$

Answer

$$2x\ -\ 4$$

Answer

$$x^2\ +\ 6x\ -\ 5$$

Answer

none of these

Question 12

Find the perimeter AND the area of the rectangle.

Accepted Answer

$$4x+6$$

$$x^2+3x-18$$

Answer

$$2x+3$$

$$4x^2+12x+9$$

Answer

$$4x+3$$

$$x^2+3x+3$$

Answer

$$4x+24$$

$$x^2-6x+36$$

Question 13

Find the product:
(n - 5)(n - 1)

Accepted Answer

n² - 6n + 5

Answer

n² - 5n + 5

Answer

n2 + 5

Answer

n² + 6n + 5

Question 14

Simplify:
(x - 9)(x - 7)

Accepted Answer

x² - 16x + 63

Answer

x² - 2x - 63

Answer

x² - 16x - 63

Answer

x² - 2x + 63

7.2 Multiplying Polynomials

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