What is the axis of symmetry of the graph of y = -3(x + 8)2 + 5?

x = -3
x = 5
x = 8
x = -8

Question

What is the axis of symmetry of the graph of y = -3(x + 8)2 + 5?
 	
	x = -3
	x = 5
	x = 8
	x = -8

driftracer305 · Answer

can u graph it..??

driftracer305 · Answer

@kellyconnelly ?

anonymous · Answer

is  y = -3(x + 8)2 + 5? 
or  y = -3(x + 8)^2 + 5?

driftracer305 · Answer

it is squared........ she wont square it..... lol

anonymous · Answer

second one and ill square it >:(

anonymous · Answer

attachment

anonymous · Answer

max value = 5 when x+8=0
so x=-8 is the x of the max pt,
for quadratic, graph symmetry at max pt,
so x=-8 is the answer

driftracer305 · Answer

yea so what x value do u think will cut it exactly in half..?

anonymous · Answer

how u make graphs ?
i mean software ?

anonymous · Answer

anonymous · Answer

actually this equation ald done the square completing, you can directly obtain answer in the equation without drawing graph

driftracer305 · Answer

lol @neoh147 ....... yea u gave her the answer.....  :D