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2.Find the missing terms of the equation: (x + _) (x - _) =x² - 36.

A.4,-4

B. 5,-5

C. 6,-6

D. 7, - 7


3. In the expression (x + 9) (x - 9), which of the following is the product of the first terms?

A. x²

B. 9x

C. - 9x

D. - 81


4. Refer to item number 3, which of the following is the product of the last terms?

A. x²

B. 9x

C. - 9x

D. - 81


5.One of the factors of x² - 2x - 15 is x + 3. What is the other factor?

a. x-5 b. x + 5 c. x - 8 d. x + 8


6.which of the following gives a product of 9x² - 49?

A. (x+7) (x-7)

B.(2x +7) (2x-7)

C. (3x+7) (3x-7)

D.(4x+7) (4x-7)


7. What is the middle product of the expression (x - 12) (x + 3)?

A. 5x

B. 8x

C. 11x

D. 24x


8. What is the middle term of the product of the expression (x - 2) (x + 4)?

A. 16x

B.-16x

C.-8x

D.8x


9. Refer to item number 8, what is the product of the last terms?

A. 16

B.-16

C.48

D.-48


10. What is the product of the binomial (n + 11) (n + 11)?

A. n² + 22n + 22

B. n² + 11n + 121

C. n² + 121

D. n² + 22n + 121

Sagot :

HakuYukiidn

Answer:

2.Find the missing terms of the equation: (x + _) (x - _) =x² - 36.

A.4,-4

B. 5,-5

C. 6,-6

D. 7, - 7

Explanation: If you multiply 6 and -6, the answer will be -36.

3. In the expression (x + 9) (x - 9), which of the following is the product of the first terms?

A. x²

B. 9x

C. - 9x

D. - 81

Explanation: Using FOIL Method, (x) (x) = x².

4. Refer to item number 3, which of the following is the product of the last terms?

A. x²

B. 9x

C. - 9x

D. - 81

Explanation: Using FOIL Method, (9)(-9) = -81.

5.One of the factors of x² - 2x - 15 is x + 3. What is the other factor?

a. x-5

b. x + 5

c. x - 8

d. x + 8

Explanation: Multiply -5 and 3, the answer will be -15.

6.which of the following gives a product of 9x² - 49?

A. (x+7) (x-7)

B.(2x +7) (2x-7)

C. (3x+7) (3x-7)

D.(4x+7) (4x-7)

Explanation: Multiply 3x and 3x, the answer will be 9x². Multiply 7 and -7, the answer will be -49.

7. What is the middle product of the expression (x - 12) (x + 3)?

A. 5x

B. 8x

C. 11x

D. 24x

Explanation: Using FOIL Method, the middle product of is missing.

O = x (3) = 3x

I = -12 (x) = -12x

8. What is the middle term of the product of the expression (x - 2) (x + 4)?

A. 16x

B.-16x

C.-8x

D.8x

Explanation: The middle term is 2x.

9. Refer to item number 8, what is the product of the last terms?

A. 16

B.-16

C.48

D.-48

Explanation: The last term will be -8, because you multiply -2 and 4.

10. What is the product of the binomial (n + 11) (n + 11)?

A. n² + 22n + 22

B. n² + 11n + 121

C. n² + 121

D. n² + 22n + 121

(n + 11) (n + 11) = n² + 22n + 121

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