Title: Mr' Sims
1Ó Mr. Sims
2Algebra 1 Sect. 9.1 Square Roots
Find all square roots of the number.
1.
2.
what number multiplied by itself equals 64
what number multiplied by itself equals 100
8 , -8
10 , -10
what number multiplied by itself equals ¼
what number multiplied by itself equals 121
4.
3.
11 , -11
½ , -½
3Find all square roots of the number.
5.
6.
.6 , -.6
4Evaluate the expression. Find the positive
square root. Round to nearest hundredth.
8.
9.
7.
- (16) -16
3.32
.3
10.
11.
12.
5.2
none
5Evaluate
for the given values of a, b, and c.
13. a 4, b 5, c 1
14. a 3, b -7, c 6
3
undefined
6Use a calculator to evaluate the expression.
Round to the nearest hundredth.
16.
15.
-5.62 or -1.39
7.13 or -5.13
7Find the cube roots.
what number multiplied by itself 3 times equals
27
17.
18.
what number multiplied by itself 3 times equals 64
3
4
19.
20.
21.
-2
1
10
8Use the area, A, to find the length of the
indicated side or radius. (use p 3.14)
s
area of a square one side squared
27.04 s2
s
take square root of both sides
s 5.2
A 27.04
r
Area 50.24
r 4