Question 1

Evaluate the polynomial.
-

Accepted Answer

A)   99
B)   -63
C)   117
D)   18E) None of the above
F) B) and C)

Question 2

Subtract.
-(26x + 30xy - 19y)  - (5x - 20xy - 21y)

Accepted Answer

A)   21x + 50xy + 2y
B)   73xy
C)   21x - 50xy - 40y
D)   -4x - 21xy + 40E) None of the above
F) A) and C)

Question 3

Multiply and simplify.
-

Accepted Answer

A)   7
B)   
C)   
D)   1E) A) and B)
F) None of the above

Question 4

Multiply.
-(x - 7) (-2x - 5)

Accepted Answer

A)   
B)   
C)   
D)   E) B) and D)
F) None of the above

Question 5

Multiply.
-(5a + 2c) (5a - 2c)

Accepted Answer

A)   
B)   
C)   
D)   E) C) and D)
F) A) and D)

Question 6

Evaluate the polynomial.
- - 44, when x = -3

Accepted Answer

A)   9
B)   79
C)   19
D)   7E) A) and D)
F) A) and B)

Question 7

Express using positive exponents. Then simplify.
-

Accepted Answer

A)   
B)   
C)   
D)   3xE) None of the above
F) A) and B)

Question 8

Solve the problem.
-The average weight W (in ounces)  of a fish caught in a certain lake is given by  , where x is the length in inches. Use the graph below to estimate the weight of a fish from the lake that is 14 inches long.

Accepted Answer

A)   9 ounces
B)   13 ounces
C)   7 ounces
D)   11 ouncesE) B) and C)
F) A) and B)

Question 9

Multiply.
-

Accepted Answer

A)   
B)   
C)   
D)   E) A) and B)
F) A) and C)

Question 10

What is the meaning of the expression?
-

Accepted Answer

A)   2 · x · x · x
B)   2 ·2 ·2 · x
C)   2x ·2x ·2x
D)   2 · x · 3E) C) and D)
F) All of the above

Question 11

Multiply.
-

Accepted Answer

A)   
B)   
C)   
D)   E) A) and C)
F) None of the above

Question 12

Perform the division.
-

Accepted Answer

A)   
B)   
C)   
D)   E) A) and C)
F) A) and D)

Question 13

Multiply.
-(3x + 8) (x - 7)

Accepted Answer

A)   
B)   
C)   
D)   E) A) and D)
F) None of the above

Question 14

Identify the polynomial as a monomial, binomial, trinomial, or none of these. Give its degree.
- + 4s + 1

Accepted Answer

A)   Binomial, degree 7
B)   Trinomial, degree 6
C)   Trinomial, degree 7
D)   Trinomial, degree 8E) A) and B)
F) A) and C)

Question 15

Evaluate.
-

Accepted Answer

A)   12
B)   1
C)   0
D)   -1E) C) and D)
F) None of the above

Question 16

Give the coefficient and degree of the term.
-

Accepted Answer

A)   -7, 27
B)   7, 27
C)   -7, 14
D)   7, 182E) None of the above
F) A) and D)

Question 17

Write the number in scientific notation.
-0.0000000120014

Accepted Answer

A)   
B)   
C)   
D)   E) None of the above
F) All of the above

Question 18

Collect like terms and then arrange in descending order.
-

Accepted Answer

A)   
B)   
C)   
D)   E) A) and B)
F) B) and C)

Question 19

Subtract.
-

Accepted Answer

A)   
B)   
C)   
D)   E) A) and B)
F) A) and C)

Question 20

Evaluate.
-The volume of a cube with sides of length s is given by  . Find the volume of the cube.

Accepted Answer

A)   
B)   
C)   
D)   E) A) and B)
F) A) and C)

Exam 5: Polynomials: Operations

Perform the division. -

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Multiply. -

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Write the number in scientific notation. -0.0000000120014

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Collect like terms and then arrange in descending order. -

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Evaluate the polynomial. -

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Subtract. -

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Subtract. -(26x + 30xy - 19y) - (5x - 20xy - 21y)

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What is the meaning of the expression? -

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Multiply. -

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Evaluate. -The volume of a cube with sides of length s is given by . Find the volume of the cube.

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Multiply. -(x - 7) (-2x - 5)

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Multiply. -(3x + 8) (x - 7)

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Identify the polynomial as a monomial, binomial, trinomial, or none of these. Give its degree. - + 4s + 1

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Multiply and simplify. -

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Express using positive exponents. Then simplify. -

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Give the coefficient and degree of the term. -

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Multiply. -(5a + 2c) (5a - 2c)

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Evaluate. -

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Solve the problem. -The average weight W (in ounces) of a fish caught in a certain lake is given by , where x is the length in inches. Use the graph below to estimate the weight of a fish from the lake that is 14 inches long.

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Evaluate the polynomial. - - 44, when x = -3

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