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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

2 Answers

14 votes

Answer:

2x^2+9x-7

Explanation:

User Honyovk
by
6.4k points
8 votes

Answer:

Explanation:

the quadratic expression is

2x^2+9x-7

this is the only one

User Larrydahooster
by
6.4k points