Rational/Irrational
Is 4/9 rational or irrational? Explain.
Rational, it is a fraction.
What is 0.333... as a fraction?
1/3
Approximate the √10 to the nearest integer.
3
What 2 whole numbers does the square root of 98 lie between?
9 and 10
x2=169
x= +13 and -13
Is 31.7878... rational or irrational? Explain.
Rational, it is a repeating decimal
Write 2/9 as a decimal.
.2 repeating
Approximate the √18 to the nearest integer.
4
What 2 whole numbers does the square room of 47 lie between?
6 and 7
x3=-64
-4
Do irrational numbers terminate? Explain.
No, irrational numbers are non-terminating, non-repeating.
What is 8.0404... as a fraction?
8 4/99
Approximate the -√34 to the nearest integer.
-6
What 2 whole numbers does the square room of 92 lie between?
9 and 10
x3=-125
x=-5
Is 44.534593... rational or irrational? Explain.
Irrational, decimal does not terminate and does not repeat.
Write 5/33 as a decimal.
.15 repeating
Approximate the cube root of 125 to the nearest integer.
What 2 whole numbers does the cube root of 215 lie between?
5 and 6
A square has an area of 16 in2. What is the side length of the square.
A=s2
s=4
Is pi rational? Explain.
No, pi does not terminate and does not repeat..
What is 4.0303... written as a fraction?
4 1/33
Approximate the cube root of -120 to the nearest integer.
-5
What 2 whole numbers does the cube root of 645 lie between?
8 and 9
A cube has volume of 64 cubed inches, what is the side length of the cube.
s3=V
s=4