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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.

Sagot :

Answer:

Chad's claim is incorrect

Step-by-step explanation:

The homework problems that complete the question are:

[tex]3x^2.2x^4[/tex]

[tex]5 - 2x = 3x[/tex]

[tex]3(2x + 7)[/tex]

[tex]7x^2 +2x -3x^2 -9[/tex]

[tex]\frac{2}{3} = \frac{x+2}{6}[/tex]

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

[tex]3x^2.2x^4[/tex] -> No Equation

[tex]5 - 2x = 3x[/tex] -> Equation

[tex]3(2x + 7)[/tex] -> No Equation

[tex]7x^2 +2x -3x^2 -9[/tex] -> No Equation

[tex]\frac{2}{3} = \frac{x+2}{6}[/tex]  -> Equation

Apparently, only 2 of the 5 problems are equation.

Hence, Chad's claim is incorrect.