Approximating And Simplifying Radicals
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1Name __________________________
Date ___________
Unit 9 – Measurement
Math 8H
HW #85: Approximating and Simplifying Radicals (Square Roots and Cube Roots)
Approximate the square root to the nearest integer.
18
161
1)
2)
Simplify each expression.
20
27
216
3 72
3
3)
4)
5)
6)
8
150
-7 54
289
7)
8)
9)
10)
25
32
-12 88
4 27
6
3
11)
12)
13)
14)
64
4
-10 80
5 48
-2 162
7
15)
16)
17)
18)
225
19) Solve for the variable in each diagram. Leave answers in simplest radical form.
a)
b)
x
Review: Solve for x and graph on a number line:
13 – 2x < 21
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