Question

Identify which equation is a quadratic equation.

y = −5x − 3

y = −4x(x + 10) + 34

y + x2 = (x − 4)(x + 3)

y − 2 = (x − 2)(x2 + 1)

Answer 1

which equaton on solving has x^2 left in it?

Answer 2

oh

Answer 3

y + x2 = (x − 4)(x + 3)

Answer 4

nah, how?

Answer 5

http://www.mathsisfun.com/algebra/quadratic-equation.html

Answer 6

i was just asking

Answer 7

y = −5x − 3

Answer 8

it is good to start with definitions :)

Answer 9

y = −4x(x + 10) + 34 is quadrat equation

Answer 10

bcoz quad equation is In mathematics, a quadratic equation is a univariate polynomial equation of the second degree. A general quadratic equation can be written in the form

Answer 11

2nd one

Answer 12

i replied before only@nitz

Answer 13

sorry,,,,i didnt see