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Section02MultiplyingTest
v33

Test Section02MultiplyingTest

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Jump to Problem:	1	2	3	4	5	6	7	8	9	10

Problem 1.

(1 point)

-(x-3)-2(5-x) =

A.

-3x-13

B.

x-7

C.

x-13

D.

-3x-7

E.

x+13

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Problem 2.

(1 point)

-4(v+2)+2(4-v) =

A.

-6v+16

B.

-6v

C.

-6v+10

D.

2v-16

E.

-8v+2

preview answers

Problem 3.

(1 point)

(3x-2x^2)(4)+(5+4x)(3x-4) =

A.

4x^2 + 43x + 20

B.

-8x^2 + 11x

C.

-2x^2 + 11x

D.

16x^2 + 11x

E.

4x^2 + 11x - 20

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Problem 4.

(1 point)

(t^2 + 1)(50t) - (25t^2 + 125)(2t) =

A.

-24t^3-200t

B.

300t

C.

126

D.

-200t

E.

100t^3 + 300t

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Problem 5.

(1 point)

(x+3)(3x-8) =

A.

3x^2-24

B.

3x^2-5

C.

3x^2-x-24

D.

3x^2-17x+24

E.

3x^2+x-24

preview answers

Problem 6.

(1 point)

$-2\sqrt y(4y^{1/2} - 3y^{-3/2}) =$

A. $-8y + 6y^{-3/4}$
B. $-8y^{1/4}+6y^{-3/4}$
C. $-8y+6y^{-2}$
D. $-8y-6y^{-1}$
E. $-8y + {6\over y}$

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Problem 7.

(1 point)

(x+2)(5x-1)+2(3x - x^2) =

A.

4x^2 + 12x - 2

B.

4x^2+15x - 2

C.

8x^2 + 24x - 4

D.

-x^2+15x - 2

E.

3x^2 + 15x - 2

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Problem 8.

(1 point)

$6s^{-2}({1\over2}s^2 - s^3) =$

A.

-3s

B. $3s^{-4} - 6s^{-6}$
C. -6s

-6s

D.

3 - 6s

E. $-6s^{-6}$

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Problem 9.

(1 point)

(2s-3)(s+4) =

A.

2s^2-s-12

B.

2s^2-5s-12

C.

2s^2+5s-12

D.

2s^2+s+12

E.

2s^2+s-12

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Problem 10.

(1 point)

(A^2-B^2)^2 =

A.

A^4 - A^2 B^2 + B^4

B.

A^4 - 2A^2 B^2 - B^4

C.

A^4 + B^4

D.

A^4 - B^4

E.

A^4 - 2A^2 B^2 + B^4

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