Which answers are equal to the expression below? Check all that apply
1 answer:
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<u>Answer:</u>
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<u>Explanation:</u>
<h3>What is a quadratic equation?</h3>A quadratic equation is an algebraic equation where the highest power of is 2. The general form of a quadratic equation is as follows:
,
where <em>a</em>, <em>b</em>, and <em>c</em> represent known constants, and is the unknown.
In this question, if you take a look at the second option, you will see that it is possible to rearrange the equation to make it look the general form:
⇒
Therefore, this equation is quadratic.
The other three options are not quadratic equations because none of them have an term in them.