Quiz about Math 2 Sem 1 Final Review

Question 1

Simplify.

$$\left(6x-4x^3\right)+\left(8x^3+7x\right)$$

Accepted Answer

4x3 + 13x

Answer

4x3 + 8x

Answer

4x3 + 7x

Answer

4x3 + 2x

Question 2

Simplify.

$$\left(6x^3+2\right)-\left(8+4x^3\right)$$

Accepted Answer

2x3 - 6

Answer

-6

Answer

-6 - 6x3

Answer

-6 - 7x3

Question 3

Simplify.

$$\left(7x^3+5x^2+4x\right)+\left(4-5x-5x^3\right)$$

Accepted Answer

2x³ + 5x² - x + 4

Answer

2x³ - 3x² + 2x + 4

Answer

2x³ - 3x² - x + 4

Answer

2x³ - 3x² + 9x + 4

Question 4

Simplify.

$$\left(8x-4x^3-5x^4\right)-\left(4x+5-x^3\right)$$

Accepted Answer

-5x⁴ - 3x³ + 4x - 5

Answer

-5x⁴ - 11x³ + 4x - 5

Answer

-5x⁴ - 5x³ + 4x - 5

Answer

-5x³ - 4x² + 4x - 5

Question 5

Find the product.

$$\left(6a+5\right)\left(4a+3\right)$$

Accepted Answer

24a² + 38a² + 15

Answer

7a² + 23a² + 6

Answer

7a² + 19a² - 6

Answer

12a² + 23a² - 24

Question 6

Find the product.

$$\left(8n-4\right)\left(n-5\right)$$

Accepted Answer

25n² + 45n+ 14

Answer

5n² + 21n² - 20

Answer

8n² - 44n² + 20

Answer

20n² + 3a- 9

Question 7

Find the product.

$$\left(8x-3\right)^2$$

Accepted Answer

64x² - 48x + 9

Answer

64x2 + 9

Answer

49 + 56x + 16x²

Answer

64x2 - 9

Question 8

Find the product.

$$\left(3x+5\right)\left(4x^2-8x-5\right)$$

Accepted Answer

12x³ - 4x² - 55x² - 25

Answer

6x³ - 21x² + 24x² - 9

Answer

21x³ + 44x² - 44x² - 32

Answer

56x³ + 20x² + 4x² + 24

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