Question

x^2+9x-23 what is the value of the maximum?

Answer 1

i mean minimum sorry guys

Answer 2

x = -9/2

Answer 3

input x back into the equation to find y if you need the y coordinate.

Answer 4

thank you!
how would that be graphed?

Answer 5

I used x = -b/(2a) to find x

Answer 6

Use a graphing calc to graph. If you don't have one, use wolfram alpha

Answer 7

ok but it does have a minimum for sure and not a maximum?

Answer 8

if a>0 the y-value of the vertex is the minimum. if a<0 then the y-value of the vertex is a maximum. if a=0, it is a line :)

Answer 9

lol so it is a mininum?

Answer 10

im so frazzled, 4 hours of straight math is wearing me out lol

Answer 11

yes minimum only, no maximum

Answer 12

thank you so much!

Answer 13

You already told yourself you meant minimum, right trickett?