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Rational and Irrational Numbers -
Con il contributo di: Palese
Operations with Rational and Irrational Numbers
MA.9-12.N-RN.B.3 - [Standard] - Explain why the sum or product of two rational numbers is rational; 
that the SUM of a RATIONAL number and an IRRATIONAL numberis IRRATIONAL
and that the PRODUCT of a nonzero rational number and an IRRATIONAL number is IRRATIONAL
Which expression could represent a Rational number?
  -a
  Both -a and -b
  -b
Let 'a' represent a non-zero rational numberand let 'b' represent an irrational number
Which expression could represent a Rational number?
Let 'a' represent a non-zero rational numberand let 'b' represent an irrational number
  a + b
  a + a
  b + b
Let 'a' represent a non-zero rational numberand let 'b' represent an irrational number
Which expression could NOT
represent a Rational number?
  a2
  ab
  b2
The other zero must be rational
The other zero must be irrational
The other zero can be either rational or irrational
The other zero must be non-real
Consider a quadratic equation with integercoefficients and two distinct zeros.  
If one zero is Irrational, which statement is true about the other zero?
Which expression could represent a Rational number?
  ab
b2
  -b
  a + b
Let 'a' represent a non-zero rational numberand let 'b' represent an irrational number
Select the appropriate option for...
Let 'a' and 'b' represent rational numbers 
and let 'c' represent an irrational number...
a + b
  Sometimes Rational
   Always Rational
  Never Rational
Select the appropriate option for...
Let 'a' and 'b' represent rational numbers 
and let 'c' represent an irrational number...
a + c
  Sometimes Rational
   Always Rational
  Never Rational
Select the appropriate option for...
Let 'a' and 'b' represent rational numbers 
and let 'c' represent an irrational number...
c + c
  Sometimes Rational
   Always Rational
  Never Rational
Select the appropriate option for...
Let 'a' and 'b' represent rational numbers 
and let 'c' represent an irrational number...
a(b)
  Sometimes Rational
   Always Rational
  Never Rational
Select the appropriate option for...
Let 'a' and 'b' represent rational numbers 
and let 'c' represent an irrational number...
a(c)
  Sometimes Rational
   Always Rational
  Never Rational
Select the appropriate option for...
Let 'a' and 'b' represent rational numbers 
and let 'c' represent an irrational number...
c2
  Sometimes Rational
   Always Rational
  Never Rational
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