Sample content Math 209- College Mathematics II Answer Key forQuiz1 Chapter 4- Exponents and Polynomials 1. Perform the following three parts in question1 • In the expression: x3 + 5×3 +3x -6x +2 x Identify, by highlighting, Term- x3 + 5×3 +3x -6x +2 x Factor- x3 + 5 x3 + 3 x – 6 x +2 x Exponent- x3 + +5×3 + 3x -6x +2 x • Identify, by underlining, Like terms: x3 + 5×3 +3x -6x +2 x • State the power of a quotient rule: See page 260 of the text 1.1. Simplify the expression in question 1, above, by performing the indicated operations: x3 + 5×2 – 3x + 2 1.2 Find the value for the expression in question1 if x = 3 x3 + 5×2 – 3x + 2 …………………..(Eq. 1) 27 + 45 – 9 + 2 = 65 2. Perform the indicated operations: 4a3(3ab3 -2a2b) = 12a4b3 – 8a5b 3. Perform the indicated operations: (a+b)(a2 –ab + b2) = a(a2 –ab + b2) +b(a2 –ab + b2 ) a3 – a2b + ab2 + ba2 – ab2 + b3 = a3 + b3 4. P

1. MATH 209 Chapter 4 Quiz
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Sample content
Math 209- College Mathematics II
Answer Key forQuiz1
Chapter 4- Exponents and Polynomials

2. 1. Perform the following three parts in question1
• In the expression:
x3 + 5×3 +3x -6x +2
x
Identify, by highlighting,
Term- x3 + 5×3 +3x -6x +2
x
Factor- x3 + 5 x3 + 3 x – 6 x +2
x
Exponent- x3 + +5×3 + 3x -6x +2
x
• Identify, by underlining,
Like terms: x3 + 5×3 +3x -6x +2
x
• State the power of a quotient rule:
See page 260 of the text
1.1. Simplify the expression in question 1, above, by performing the indicated
operations:
x3 + 5×2 – 3x + 2
1.2 Find the value for the expression in question1 if x = 3

3. x3 + 5×2 – 3x + 2 …………………..(Eq. 1)
27 + 45 – 9 + 2 = 65
2. Perform the indicated operations:
4a3(3ab3 -2a2b) = 12a4b3 – 8a5b
3. Perform the indicated operations:
(a+b)(a2 –ab + b2) = a(a2 –ab + b2) +b(a2 –ab + b2 )
a3 – a2b + ab2 + ba2 – ab2 + b3 = a3 + b3
4. Perform the indicated operations:
=
5. The world produced 6.82x1012kilowatt-hours of electricity in 1998. If 1 kilowatt-
hour requires 0.076 gallons of oil, how many gallons of oil would have been
required to meet the 1998 worl
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