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Which expressions are quadratic expressions? Check all that apply. z2 2x + 7x – 10 2x2 + 9x – 7 500(0.25)t – 1 13x3 + 21x2 – 5

Which expressions are quadratic expressions? Check all that apply. z2 2x + 7x – 10 2x2 + 9x – 7 500(0.25)t – 1 13x3 + 21x2 – 5
asked 104k views
3 votes
Which expressions are quadratic expressions? Check all that apply.

z2
2x + 7x – 10
2x2 + 9x – 7
500(0.25)t – 1
13x3 + 21x2 – 5

asked
User Tarek Abo ELkheir
by
8.0k points

2 Answers

14 votes

Answer:

2x^2+9x-7

Explanation:

answered
User Honyovk
by
8.1k points
8 votes

Answer:

Explanation:

the quadratic expression is

2x^2+9x-7

this is the only one

answered
User Larrydahooster
by
8.7k points
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