Square Roots of Perfect Squares
Find the two square roots of the number:
4
+- 4
Simplify each expression:
sqrt(25) - 6
-1
Each square root is between two consecutive integers. Name the integers and explain your answer.
sqrt(3
1 and 2; 3 is between 1 and 4.
Approximate the square root to the nearest hundredth.
sqrt(42
6.46
square root
A number that when multiplied by itself gives the square of that number.
Find the two square roots of the number:
1
+- 1
Simplify each expression:
sqrt(32 +17)
7
Each square root is between two consecutive integers. Name the integers and explain your answer.
sqrt(52
7 and 8; 52 is between 49 and 64.
Approximate the square root to the nearest hundredth.
sqrt(73)
8.53
Every positive number has two square roots; one _____________ and one _____________.
positive , negative
Find the two square roots of the number:
64
+-8
Simplify each expression:
sqrt(100/25
Each square root is between two consecutive integers. Name the integers and explain your answer.
sqrt(90
9 and 10; 90 is between 81 and 100.
Approximate the square root to the nearest hundredth.
sqrt(156
12.48
Perfect Square
A number that has integers as its square root.
Find the two square roots of the number:
100
+-10
Simplify each expression:
sqrt(73-48
5
Each square root is between two consecutive integers. Name the integers and explain your answer.
sqrt(40
6 and 7; 40 is between 36 and 49.
Approximate the square root to the nearest hundredth.
sqrt(123
11.09
The square root is the ______________ of exponents.
Inverse
Find the two square roots of the number:
484
+- 22
Simplify each expression:
3 ( sqrt(144) -6)
18
Each square root is between two consecutive integers. Name the integers and explain your answer.
sqrt(250
15 and 16; 250 is between 225 and 256.
Approximate the square root to the nearest hundredth.
sqrt(84
9.16
What is the formula for the area of a square?
A = s2