9.22 Aim 9 Rational vs Irrational
1) Take out last night's HW
HW - Aim 8
2) Copy down tonight's HW
Study your 6 rational/irrational rules
Test moved to Friday 9/30 on Aims 1 - 11
Aim #9: What is the difference between rational and irrational numbers?
3) List one rational number.
4) List one irrational number.
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9.22 Aim 9 Rational vs Irrational
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9.22 Aim 9 Rational vs Irrational
HW Answers
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9.22 Aim 9 Rational vs Irrational
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9.22 Aim 9 Rational vs Irrational
Rational Numbers
Irrational Numbers
a number that can be
written as a fraction
a number that cannot be
written as a fraction
a) Integers (Ex: 5, -8)
a) π
b) Perfect square roots (Ex: √49)
b) Imperfect square roots (Ex: √5)
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c) Fractions and Mixed Numbers (Ex: 4 )
c) Repeated pattern decimals (Ex: 0.141141114)
d) Terminating decimals (Ex: 0.875)
d) Non-terminating decimals (Ex: 0.7652...)
e) Repeating decimals (Ex: 1.23)
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9.22 Aim 9 Rational vs Irrational
The sum of two rational numbers is rational.
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9.22 Aim 9 Rational vs Irrational
The product of two rational numbers is
rational.
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9.22 Aim 9 Rational vs Irrational
The product of two irrational numbers is
SOMETIMES irrational.
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9.22 Aim 9 Rational vs Irrational
The sum of a rational number and
an irrational number is irrational.
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9.22 Aim 9 Rational vs Irrational
The product of a rational number and an
irrational number is SOMETIMES rational.
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9.22 Aim 9 Rational vs Irrational
The sum of two irrational numbers is
SOMETIMES irrational.
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