Rational or Irrational
0.75, rational or irrational?
Rational
Solve for the square root of 81
9
Simplify:
x3 * x2
x5
When x = 3, what is x2 ?
9
Write 0.00045 in scientific notation
4.5 x 10-4
square root of 49, rational or irrational?
Rational
A square has an area of 169 meters, what is the length of one side?
13 meters
Simplify:
x7 / x3
x4
50
1
Simplify (write your answer in scientific notation):
(3 x 104) + (5 x 104)
8 x 104
square root of 11, rational or irrational?
irrational
Solve for x
x^2 = 144
x = +12
x= -12
Rewrite using positive exponents:
5-3
1/53
When x = 2, what is 3x2 + 4?
16
Simplify (write your answer in scientific notation):
(7 x 105) - (2 x 105)
5 x 105
Which number is irrational?
0.5
square root of 25
square root of 13
3.75
square root of 13
A cube had a volume of 216 cubic inches, how long is each edge?
6 inches
Simplify:
(x2)4
x8
When x = 2 and y = 4, what is
8x0 + x2y-1
8.5
Simplify (write your answer in scientific notation):
(4 x 103)(2 x 104)
8 x 107
Classify each as R, rational, or I, irrational:
pi
2.125
square root of 15
Irrational
Rational
Irrational
Is 64 a perfect square, perfect cube, both, or neither?
Both
Simplify:
(x6 * x3) / x4
x5
when x = 3 and y = 2 what is
4x2y-1 + 2x0
20
A factory produces 3 x 105 parts each year. It operates for 4 x 102 years. How many parts will it produce?
1.2 x 108 parts