Question

Find the vertex. -x^2 - 2x + 3

Answer 1

first of all note that this is hat shaped graph symmetrical about -1

Answer 2

so wat do u think for which value of x we get macximum value of y?

Answer 3

@esmeier1434

Answer 4

I have no clue.. :/

Answer 5

u should have :) i iencourage my friends to think rather than mug up

Answer 6

use differentiation :)

Answer 7

easy as hell man !

Answer 8

@esmeier1434 any doubts?

Answer 9

I just dont get this whole unit i have been working on..

Answer 10

which grade u in?

Answer 11

senior

Answer 12

means?

Answer 13

11?

Answer 14

12

Answer 15

:P i am also 12

Answer 16

i learnt quadratics in grade 9

Answer 17

oh

Answer 18

nw i am playing with integrals and differentials :P

Answer 19

:/ i suck at math

Answer 20

first try to change that attitude !!
try to like the subject

Answer 21

then u will learn it easily

Answer 22

here is a quote for u
"dont run after succes chase excellence success will follow u"

Answer 23

\[y=-x^2-2x+3\\ \text{The vertex is given by }\\( \frac{-b}{2a} \ , \ \frac{4ac-b^2}{4a})\\\\ \text{Substitute to get : }\\\\ \frac{-(-2)}{2(-1)} \ , \ \frac{4(-1)(3)-(-2)^2}{4(-1)}\\\\ \text{The vertex is }\\(-1, 4) \]

Answer 24

\[\Huge\infty \]