-32=-9 (-3)2 = 9
(-4)² = 16 -4²= - 16
Taking the square root is the
of squaring a number.
The square root of 16 is both
and
because
= 16 and
= 16.
SQUARE
ROOTS
The
square root is known as the principle square root,
and when using the sign, the solution is the positive square root.
because its
Additionally, 16 is called a
square root is a whole number.
ractice your memory of perfect squares and square roots by filling out the tables below.