Perfect Squares
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What is the square root of 64?
-8 and 8
What is the cube root of 125?
5
x2=81
-9 and 9
What two whole numbers is the square root of 50 between?
7 and 8
What is the side length of a garden with an area of 121 ft2?
11 ft.
What is the square root of 169?
-13 and 13
What is the cube root of 343?
7
x3=-64
-4
What two whole numbers if the cube root of 111 between?
4 and 5
A square painting has an area of 80 square centimeters. What is the side length?
9 cm.
What is the square root of 361?
-19 and 19
What is the cube root of -64?
-4
x3=-125
-5
What is an example of an irrational square root?
any square root that is not a perfect square
Write an equation to find the area of a square with a side length of 16.
a=162
Is 64 a perfect square, perfect cube, both, or neither?
Both
Is 225 a perfect square, perfect cube, both or neither?
Perfect square
x2 =200
negative square root of 200 and positive square root of 200
Estimate the square root of 20 rounded to two decimal places?
-4.47 and 4.47
Write and solve an equation to find the side length of a cube with a volume of 729 cubic inches.
729=s3 , 9 in3
What is the area of a square with a side length of 15 ft.?
225 ft.
What is the volume of a cube with a side length of 6 in.?
216 cubic inches
x3=-36
square root of -36
Estimate the cube root of 90. Round to two decimal places.
4.48
Write and solve an equation to find the side length of a square garden with an area of 225 ft2.
225=s2
s=15 ft.