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melomori [17]
4 years ago
8

Choose the expression that represents a quadratic expression.

Mathematics
1 answer:
olga_2 [115]4 years ago
3 0

Answer:

b. 5x^2 + 9x - 1

Step-by-step explanation:

A quadratic expression had the highest power of the variable at 2

x^2

b. 5x^2 + 9x - 1

a  has the highest power as x

c and d goes higher than x^2

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Ⓗⓘ ⓣⓗⓔⓡⓔ

Well, what I would do is line it up so you can cancel things out. I.e.:

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