Page 11 - Math Booklet Prep1(second term 2026)_Neat
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Square roots and cube root
What is a Square Root of a perfect square?
It means to find the square of a number (a) we search a number
which multiplied by itself equal the number a (squared).
A perfect square number has two square roots one is
positive and the other is negative.
The number 16 has 2 squares roots which are 4,-4
16 = 4 - 16 = -4 ± 16 = ±4
The symbol ( . ) denotes the positive square root
What is a Cubic Root?
The cubic root of a number is a value that, when multiplied by itself
three times, gives the original number.
?27 = 3 because 3 × 3 x 3 = 27
?8 = 2 because 2 × 2 x 2 = 8
The symbol for the square root is ?
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