How do you graph and label the vertex and axis of symmetry #y=1/3x^2+3x-2#?
1 Answer
Aug 4, 2018
Refer Explanation section
Explanation:
Given -
#y=1/3x^2+3x-2#
#x=(-b)/(2a)=(-3)/(2 xx1/3)=(-3)/(2/3)=(-3 xx 3)/2=(-9)/2#
#At x=(-9)/2; y=1/3((-9)/2)^2+3((-9)/2)-2#
#y=1/3(81/4)-27/2-2=81/12-27/2-2=(81-162-24)/12=(-105)/12=(-35)/4#
Vertex
Axis of sysmetry
