Square Roots of Perfect Squares
What is the square root of 4?
2
What is the decimal approximation of the square root of 12? (round to the hundredth)
3.46
What is the cubic root of 8?
2
Evaluate:
2 (sqrt4) + 10
14
Rational or Irrational, why?
10
Rational- whole number
What is the square root of 144?
12
What is the decimal approximation of the square root of 45? (round to the nearest hundredth)
6.71
What is the cubic root of 125?
5
Evaluate:
5 (sqrt16) - 22
-2
Rational or Irrational, why?
1/4
Rational- fraction
What are the two square roots of 64?
8 and -8
What two integers is the square root of 56 between?
7 and 8
What is the cubic root of -27?
-3
Evaluate:
4(cubrt8) + 9
17
Rational or Irrational, why?
-1.78
Rational- terminating decimal
What are the two square roots of 169?
13 and -13
What two integers is the square root of 132 between?
11 and 12
What is the cubic root of -5,832?
-18
Evaluate:
-2 (cubrt27) - 6
-12
Rational or Irrational, why?
sqrt(56)
Irrational- decimal goes on forever
The area of a circle garden is 1,133.54 square inches. What is the radius of the circle?
19 inches
What two integers is the square root of 650?
25 and 26
22 cm
Evaluate:
sqrt 4 / sqrt 16
and simplify
1/2
Rational or Irrational, why?
1.3457398457983475...
Irrational- decimal goes on forever