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Chad complained to his friend that he had five equations to solve for homework. Are all of the homework problems equations? Justify your answer.

1 Answer

11 votes

Answer:

Chad's claim is incorrect

Explanation:

The homework problems that complete the question are:


3x^2.2x^4


5 - 2x = 3x


3(2x + 7)


7x^2 +2x -3x^2 -9


(2)/(3) = (x+2)/(6)

Required

Is Char right?

From the homework problems above, there are 5 mathematical problems

So:

Chad's claim that he had 5 equations.

A mathematical expression is an equation if it has an = sign

So for Chad's claim to be correct; at least 4 of the mathematical problems must have an = sign

By the explanation done above, we have the following observations


3x^2.2x^4 -> No Equation


5 - 2x = 3x -> Equation


3(2x + 7) -> No Equation


7x^2 +2x -3x^2 -9 -> No Equation


(2)/(3) = (x+2)/(6) -> Equation

Apparently, only 2 of the 5 problems are equation.

Hence, Chad's claim is incorrect.

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