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5 votes
Which equation is quadratic in form?

2(x + 5)^2 + 8x + 5 + 6 = 0
x^6 + 6x^4 + 8 = 0
7x^6 + 36x^3 + 5 = 0
4x^9 + 20x^3 + 25 = 0

User Colin Hale
by
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2 Answers

6 votes

Answer:

C: 7x^6 + 36x^3 + 5 = 0

Explanation:

on edg 2020

User MyGGaN
by
8.1k points
2 votes

A quadratic equation refers to an equation with the highest degree of 2. The first equation, 2(x+5)^2 + 8x + 5 + 6 = 0 is the only one with the highest degree of 2 (in (x+5)^2), so that is the quadratic.

User FrancescoM
by
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