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Online Quiz (
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10
Grade 7 - Mathematics
1.24 Properties of Square Roots of Numbers - I
Product Rule:
Example:
Ö
16 *
Ö
9 = 4 * 3 = 12.
Ö
(16*9) =
Ö
144 = 12.
Therefore
Ö
16 *
Ö
9 =
Ö
(16*9).
Thus, a, b are non-negative real numbers
Ö
a *
Ö
b =
Ö
(a*b).
Directions:
Solve the following problems. Also write atleast 10 examples of your own.
Q 1
:
Ö
9 *
Ö
x = 12, find the value of x.
Answer:
Q 2
:
Ö
(9*81) = ____?
Answer:
Q 3
:
Ö
144 *
Ö
x = 24, find the value of x.
Answer:
Q 4
:
Ö
121 *
Ö
x = 33, find the value of x.
Answer:
Q 5
:
Ö
4 *
Ö
x = 6, find the value of x.
Answer:
Q 6
:
Ö
(9*4) = _____?
Answer:
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Question 8: This question is available to subscribers only!
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