Square Roots
2 times square root 625
50
-cube root of 729
-9
Right triangle?
a = 13 b = 16 c = 21
No, 425 doesn't equal 441
Square root of 36
Rational or Irrational and WHY.
Rational, integer (6)
What is the square root of (25/36) as a fraction?
5/6
x^2 = 196 (two answers)
x = 14 and x = -14
16 + (cube root of -1331)^3
-1315
a = 9 ft b = 12 ft c = ?
15 ft
Is 6 times pi rational or irrational? Why.
Irrational, decimal doesn't stop or repeat
Solve y^2 - 18 = 46 (two answers)
x = 8 x = -8
(square root of 125)^2 - 14
111
Volume of a cube is 4,913 cubic feet. What is the side length?
17 ft
bird flies 30 m North
a second bird flies 50 m West
What is the distance between them? Round to tenth.
58.3 m
Is the fraction a reasonable approximation?
272/160
square root 3
Yes, 1.7 vs 1.73
List from least to greatest.
square root of 210
cube root of 850
16 and 1/4
cube root of 850, square root of 210, 16 and 1/4
7 - 12 times (square root of 1/9) + 14
17
t = 6
Find 4 times (cube root of 121.5t)
36
Pool is 21 ft long and has a diagonal of 29 ft. Find the perimeter.
70 ft
What 4 things make a number rational?
Integer, Fraction, Decimal stops, Decimal repeats
Find the distance to the hundredth.
(4, 1) (2, 4)
3.61 units
The cost of producting x widgets is C = 4.5x^2. If C = 544.50, what is x? Only use the positive answer.
x = 11
Solve: (4x - 5)^3 = 1000
3.75
a = 4.2 mm b = ? c = 15 mm
Find the area of the right triangle.
30.24 mm squared
List from least to greatest.
-square root 70
-8 and 1/2
-8
-cube root 614
-8 and 1/2, -cube root 614, -square root 70, -8
x = 15, y = 16
Find:
x square root(x^2 + y^2) + y to the nearest whole number
345