What is a square root?
A number multiplied by itself
45 X 48 = (with exponents)
413
Cube root of 27
3
Simplify 3[10(4+32)]
390
Square root of negative 25
3-5 =
1/243
Name the perfect cube roots
cube root of 0 is 0
Cube R of 1 is 1 Cube R of 8 is 2
Cube R of 27 is 3. Cube R of 64 is 4
Cube R of 125 is 5
The number 6,321 is divisible by which numbers between 1 and 10?
3 , 7
Simplify the Square root of 75
= 5 X Square root of 3
(32)3 =. (answer with exponents)
36
Estimate the cube root of 131
5.08
T or F a(b+c) = (a) (b) (c)
False
Approximate the Square root of 74
Square of 64 < Square of 74< Square of 81
74 is about 1/2 way between 64 and 81 so about 8.5. (8.5 X 8.5 =72.25 - then try 8.6 X 8.6 equals 73.96 therefore the square root of 74 is approximately 73.96
40 equals
1
Simplify the cube root of 54
3 times the cube root of 2
3, 4, 1/2, 0, -1, 2
3, 4, 0, -1, 2