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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 Presentation
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Section R.2
Algebra Essentials
OBJECTIVE 1
(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
OBJECTIVE 2
(a) 4 (b) 6 (c) 0
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
OBJECTIVE 3
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
OBJECTIVE 4
Find the domain of the variable in the expression
2
1
x
x
x
OBJECTIVE 5
3
6
2
(a) 4
(b)
2(c)
3
y
2 45 2 4
3 3
7
(a) (b) (c) 3
3(d) (e)
5
x x x x
x
x
OBJECTIVE 6
21(a) 49 (b) (c) 5.2
9
2 2 2(a) 4.5 (b) 4.5 (c) x
OBJECTIVE 7
6Evaluate: 3.45
OBJECTIVE 8
Write each number in scientific notation.
(a) 34562 (b) 23.45 (c) 0.488 (d) 0.0000067
6 3 2
Write each number as a decimal.
(a) 4.25 10 (b) 1.2 10 (c) 5 10
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