Quiz about Algebra Polynomials Exam

Question 1

Factor completely.
k² -2k - 24

Accepted Answer

(k+4)(k-6)

Answer

(k+4)(k+6)

Answer

(k+6)(k-1)

Answer

(k-4)(k+6)

Question 2

Factor x² - 49

Accepted Answer

(x - 7)(x + 7)

Answer

(x - 7)(x - 7)

Answer

(x + 7)(x + 7)

Answer

Does not factor

Question 3

Factor completely: 2x²+22x+60

Accepted Answer

2(x+5)(x+6)

Answer

(2x+10)(x+6)

Answer

(x+5)(x+6)

Answer

2(x+1)(x+30)

Question 4

Classify the following polynomial

Accepted Answer

quadratic trinomial

Answer

cubic biniomial

Answer

quadratic polynomial

Answer

linear binomial

Question 5

7r³-8r²+42r-48

Accepted Answer

(r²+6)(7r-8)

Answer

(r²+6)(7r+8)

Answer

(r²+6)(r²+8)

Answer

(r²+6)(7r+6)

Question 6

2x³-8x²-x+4

Accepted Answer

(2x²-1)(x-4)

Answer

2(x²-1)(x+4)

Answer

(x²-1)(2x-4)

Answer

(2x²+1)(x-4)

Question 7

What are the factors of
25x² - 81?

Accepted Answer

(5x - 9)(5x + 9)

Answer

(5x - 9)(5x - 9)

Answer

(5x + 9)(5x + 9)

Answer

Cannot be factored

Question 8

Factor:
p² - 14p

Accepted Answer

p(p - 14)

Answer

p(1 - 14)

Answer

2p(p - 7)

Answer

p2(1-14)

Question 9

Factor
3v² - 4v - 7

Accepted Answer

(3v-7)(v+1)

Answer

3(v-7)(v-1)

Answer

(3v+1)(v-9)

Answer

(3v+1)(v-10)

Question 10

Factor Completely:
2k²-14k-60

Accepted Answer

2(k-10)(k+3)

Answer

2(k-10)(k-3)

Answer

Not Factorable

Answer

(k-5)(k+9)

Question 11

Factor:
x²+ 7x - 30

Accepted Answer

(x + 10)(x - 3)

Answer

(x + 10)(x - 7)

Answer

(x - 10)(x + 3)

Answer

(x + 10)(x + 3)

Question 12

Factor completely.
3x²- 9x -120

Accepted Answer

3(x - 8)(x + 5)

Answer

3(x + 8)(x - 5)

Answer

(3x + 8)(x - 5)

Answer

(3x - 8)(x + 5)

Question 13

Which polynomial correctly combines like terms and puts the given polynomial in standard form?

Accepted Answer

$$8x^4-rac{2}{3}x^2-rac{2}{3}x$$

Answer

$$8x^4-rac{1}{3}x^2-x$$

Answer

$$8x^4+rac{2}{3}x^2+rac{2}{3}x$$

Answer

$$8x^4-rac{2}{3}x^2-x$$

Algebra Polynomials Exam

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