Question

Which equation is quadratic in form?

4(x - 2)2 + 3x – 2 + 1 = 0
8x5 + 4x3 + 1 = 0
10x8 + 7x4 + 1 = 0
O 9x16 + 6x4+1=0

Answer 1

10x8 + 7x4 + 1 = 0, or C

Explanation:

got it right on edge

Hope this helps :)

Answer 2

4(x - 2)^2 + 3x – 2 + 1 = 0

Explanation:

The equation that has a highest x-power (degree) of 2 is quadratic.

The degrees of the answer choices are ...

• 2
• 5
• 8
• 16

So, only the first answer choice is a quadratic.