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Identify whether each of the following expression is a quadratic expression in one variable. Give reason for your anwser a. {x}^(2) + 5x - 10 b. - 4 {u}^(2) - 3u c. 5x + 8 d. {x}^(3) + 2x + 1 e. (2)/(9)
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Identify whether each of the following expression is a quadratic expression in one variable. Give reason for your anwser

a.

{x}^(2) + 5x - 10
b.

- 4 {u}^(2) - 3u
c.

5x + 8
d.

{x}^(3) + 2x + 1
e.

(2)/(9) {y}^(2)
f.

\frac{ {x}^(2) + 7x + 2}{x}


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Identify whether each of the following expression is a quadratic expression in one-example-1
User PayteR
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5.3k points

1 Answer

2 votes
i believe anything that is squared (^2) is a quadratic. so a, b, e and f are quadratics. you could also check on desmos to see if they are parabolas (u shape).
User Danny Bullis
by
5.2k points
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