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1. Which statement is NOT true?

A. Every integer is a real number.
B. Every counting number is an integer.
C. Every integer is a rational number.
D. Every decimal number is an irrational number

2. A square has an area of x square units. x is a whole number thats a perfect square. What set of numbers best describes the length of the side of the square?
A Rational numbers
B counting number
C integers
D irrational numbers

3. Which statement is true?
A 0.121212 is an irrational number
B 0.34353637 is an irrational number
C 8.14 is an integer
D 5.12345 is an irrational number

4.Which of the following is NOT a subset of the rational numbers?
A Integers
B Whole numbers
C Perfect square integers
D irrational numbers



Answer :

AL2006

1). Any decimal number that stops is a rational number, and even some
of them that never end are also rational (like 0.33333... is just 1/3.)

2). If 'x' is a perfect square, then the side of the square is the square root
of 'x', and that must be a counting number.  (Integers also include zero,
and it can't be zero, or else 'x' would also be zero.)

3). Sorry, but NONE of those four statements is true.

4). Irrational numbers are not a subset of rational numbers. 
They are a class all by themselves.


aleandre

Answer:

1). Any decimal number that stops is a rational number, and even some

of them that never end are also rational (like 0.33333... is just 1/3.)

2). If 'x' is a perfect square, then the side of the square is the square root

of 'x', and that must be a counting number.  (Integers also include zero,

and it can't be zero, or else 'x' would also be zero.)

3). Sorry, but NONE of those four statements is true.

4). Irrational numbers are not a subset of rational numbers. 

They are a class all by themselves.

Step-by-step explanation:

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