WeBWorK : mathprep : Section02MultiplyingTest : v4

Problem 1.

(1 point)

$p(p-3q)^2 =$
A. $p^3 - 3pq^2$
B. $p^3 - 6p^2q + 9pq^2$
C. $p^3 + 9pq^2$
D. $p^3 - 6p^2q + 3pq^2$
E. $p^3 - 9pq^2$

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Problem 2.

(1 point)

$2x^2(3y-x) =$
A. $6x^2 y - 2x$
B. $6x^2y - x$
C. $6x^2y-2x^3$
D. $6y - x^3$
E. $6x^2 y - x^3$

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Problem 3.

(1 point)

$(x+2)(5x-1)+2(3x - x^2) =$
A. $8x^2 + 24x - 4$
B. $3x^2 + 15x - 2$
C. $-x^2+15x - 2$
D. $4x^2+15x - 2$
E. $4x^2 + 12x - 2$

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Problem 4.

(1 point)

$u(u^{-1}+2^u) =$
A. $u^{-2} + 2^{u}$
B. $u 2^{u}$
C. $u + 2^{u}$
D. $u^{-2} + u 2^{u}$
E. $1 + u 2^{u}$

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Problem 5.

(1 point)

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

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Problem 6.

(1 point)

$(12y-5)(8w+7) =$
A. $20wy+2$
B. $96wy-40w+84y-35$
C. $96wy-40w+35$
D. $96wy-35$
E. $96wy+84y-40w+35$

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Problem 7.

(1 point)

$(5z-3)(x-2) =$
A. $5xz-3x-10z-6$
B. $5xz-5$
C. $5xz-3x-10z-5$
D. $5xz+6$
E. $5xz-3x-10z+6$

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Problem 8.

(1 point)

$(A^2-B^2)^2 =$
A. $A^4 - 2A^2 B^2 - B^4$
B. $A^4 - A^2 B^2 + B^4$
C. $A^4 - 2A^2 B^2 + B^4$
D. $A^4 - B^4$
E. $A^4 + B^4$

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Problem 9.

(1 point)

$-4(v+2)+2(4-v) =$
A. $-6v+10$
B. $-6v$
C. $2v-16$
D. $-6v+16$
E. $-8v+2$

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Problem 10.

(1 point)

$(x+1)(x-1)-1 =$
A. $x^2-2$
B. $x^2+2x-2$
C. $x^2-2x$
D. $x^2-2x-2$
E. $x^2$

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Gateway Quiz Section02MultiplyingTest

Problem 1.

Problem 2.

Problem 3.

Problem 4.

Problem 5.

Problem 6.

Problem 7.

Problem 8.

Problem 9.

Problem 10.