Question

Which equation is NOT a quadratic equation?
a) y= x^2 + 6x - 5
b) y= 2x + 5
c) y= 2x^2 + 5
d) y+ 4x^2
Please explain! Thanks <3

Answer 1

Are you sure that the fourth is y + 4x^2?

Answer 2

Y= **
sorry!

Answer 3

Quadratic equation is in the form \(ax^2 + bx + c = 0\)

Answer 4

D

Answer 5

so a?

Answer 6

I say that it is B. That is the slope intercept form

Answer 7

B because I think it needs to be squared for it to be a quadratic equation.

Answer 8

Thank you!

Answer 9

Does a quadratic equation have two solutions?

Answer 10

Yes. a positive answer and a negative answer.

Answer 11

Always?

Answer 12

No. It only has 2 solutions if it crosses the y axis twice.

Answer 13

Ok! Thank you so much <3

Answer 14

your welcome. :)