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Worksheets8.1 Square Root
Total questions: 10
Worksheet time: 3hrs 30mins
Name
Class
Date
1.
Find the exact value of √169 without a calculator.
a)
-13
b)
13
c)
13, -13
d)
Other
2.
Find the exact value of √1⁄49 without a calculator.
a)
1⁄7
b)
1⁄7, -1⁄7
c)
1⁄7
d)
Other
3.
Find the exact value of √0.09 without a calculator.
a)
0.03
b)
-0.03
c)
0.03, -0.03
d)
Other
4.
Find the exact value of √(81+144) without a calculator.
a)
15
b)
21
c)
√225
d)
Other
5.
Find the value of √81 + √144 without a calculator.
a)
√225
b)
15
c)
21
d)
Other
6.
State if rational, irrational or not a real number. If rational, find exact value; if irrational, write approximate value rounded to two decimals.
√-100
√-100
a)
Rational, -10
b)
Irrational, 0.50
c)
Not a real number
d)
Other
7.
State if rational, irrational or not a real number. If rational, find exact value; if irrational, write approximate value rounded to two decimals.
√900
√900
a)
Rational, 30
b)
Irrational, 0.33
c)
Not a real number
d)
Other
8.
State if rational, irrational or not a real number. If rational, find exact value; if irrational, write approximate value rounded to two decimals.
√12
√12
a)
Rational, 4
b)
Irrational, 3.46
c)
Not a real number
d)
Other
9.
Simplify.
√(y-16)2 , y-16 ≥ 0
√(y-16)2 , y-16 ≥ 0
a)
|y-16|
b)
y-16
c)
4√y
d)
Other
10.
Simplify.
√(p+9)2
√(p+9)2
a)
|p+9|
b)
p+9
c)
p-9
d)
Other
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