State whether or not the following are statements. In the case of a statement, indicate if it is true or false. All perfect squares are even numbers. Decimal number is a rational number. Either x is divisible by 3 or it is not If 2x + 7 = x then x = -7  If x is an even number, then it is a multiple of 2

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A: (b) given any real number x1 , x2 , x3 , x4 claim- if x1x2x3x4=0 then x1=0 , x2=0 , x3=0 , x4=0

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Q: B. Use the method of direct proof to prove the statement 2. If x is odd, then x2is odd.

A: Givenx is oddTo provex2 is odd

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A: Given:  if 2 = x + 3, then x + 3 = 2 is true because of the symmetric property of equality.

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