section r.2 algebra essentials
DESCRIPTION
Section R.2 Algebra Essentials. OBJECTIVE 1. OBJECTIVE 2. OBJECTIVE 3. OBJECTIVE 4. OBJECTIVE 5. OBJECTIVE 6. OBJECTIVE 7. OBJECTIVE 8. Write each number in scientific notation. (a) 34562 (b) 23.45 (c) 0.488 (d) 0.0000067. - PowerPoint PPT PresentationTRANSCRIPT
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Section R.2
Algebra Essentials
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OBJECTIVE 1
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(a) On the real number line, graph all numbers for which 1.
(b) On the real number line, graph all numbers for which > 2.
x x
x x
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OBJECTIVE 2
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(a) 4 (b) 6 (c) 0
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Let , , and be points on a real number line with coordinates
4, 5, and 1 respectively. Find the distance
(a) Between and (b) between and
P Q R
P Q Q R
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OBJECTIVE 3
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Evaluate each expression is = 2 and = 4.
2(a) 2 4 (b) 3 (c) (d) 3 2
5 3
x y
xx y xy x y
y
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OBJECTIVE 4
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Find the domain of the variable in the expression
2
1
x
x
x
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OBJECTIVE 5
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3
6
2
(a) 4
(b)
2(c)
3
y
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2 45 2 4
3 3
7
(a) (b) (c) 3
3(d) (e)
5
x x x x
x
x
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OBJECTIVE 6
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21(a) 49 (b) (c) 5.2
9
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2 2 2(a) 4.5 (b) 4.5 (c) x
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OBJECTIVE 7
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6Evaluate: 3.45
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OBJECTIVE 8
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Write each number in scientific notation.
(a) 34562 (b) 23.45 (c) 0.488 (d) 0.0000067
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6 3 2
Write each number as a decimal.
(a) 4.25 10 (b) 1.2 10 (c) 5 10
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