Square Roots Worksheet With Answers Page 2
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1
2P
P
S
RACTICE
ROBLEM
ET
1. Solve for �� and express your answer in simplest radical form.
Examples:
2
2
1. ��
− 28 = 0
2. ( �� + 5 )
= 72
2
��
= 28
�� + 5 = √ 72
�� = √ 28
�� + 5 = √ 36 ∗ 2
= √ 4 ∗ 7
�� + 5 = 6 √ 2
= √ 4 ∗ √ 7
�� = �� √ �� − ��
= �� √ ��
2
2
b. ( �� − 7 )
a. ��
− 24 = 0
= 50
2
2
c. − ( �� − 3 )
d. ( �� + 2 )
= −28
− 27 = 0
2. Use a graphing calculator to create a table (provided), carefully plot the graph of the function shown below,
and identify its domain and range.
�� ( �� ) = √�� + 5 + 2
��
��
Domain: ___ < �� < ___
Range: ___ < �� < ___
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