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Mathematics, 28.10.2020 01:10 kikipie8504

HARRY I NEED HELP FAST 15POINTS Which expressions are quadratic expressions? Check all that apply
z^2
2x + 7x - 10
2x^2 + 9x - 7
500(0,25)^t -1
13x^3 + 21x^2-5

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HARRY I NEED HELP FAST 15POINTS Which expressions are quadratic expressions? Check all that apply
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