Square Roots
What is the square root of 226 to the nearest hundredth?
15.03
What is the cube root of -26 to the nearest hundredth?
-2.96
What is x? x^2 = 225
x = 15 x = -15
R or I? Explain why. -15
R, integer
Which number is greater?
square root of 220
or
14.75
Square root of 220
What is (13/15)^2?
169/225
2.5
What is x? x^2 + 3 = 12
x = 3 x = -3
R or I? Explain why. 1/5
R, fraction
Which number is smaller?
-Square root of 135
or
-Square root of 145
-Square root of 145
What is the square root (25/256)?
5/16
If the volume of a cube is 1728 cubic inches, what is the side length? Label!
12 in
What is x? 144 = 9x^2
x = 4 x = -4
R or I? Explain why. Square root of 36
R, whole number
Is 150/7 a good approximation for the square root of 600?
No 21.4 vs 24.5
Evaluate: 2 times (square root of 25) + 3
13
Evaluate: 14 + (cube root of 1000) - 7^2
-25
Solve (6x + 7)^3 = 1
x = -1
R or I? Explain why. Pi
I, decimal doesn't stop and doesn't repeat
Is 1999/18 a good approximation for the square root of 12,343?
Yes, 111.056 vs 111.099
Evaluate: 7 - 12 times the square root of (1/9)
3
If the volume of a cube is 3375 cubic centimeters, what is its surface area? Label!
1350 square centimeters
Solve (19x - 2)^3 = 4913
x = 1
R or I? Explain why. Square root of (250/9)
I, decimal doesn't repeat and doesn't stop
List from least to greatest:
.38, square root of (7/64), 3/8
square root of (7/64), 3/8, .38