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03-02-2017
Mathematics

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Find the vertex for y=3x^2-6x+5

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03-02-2017

the x value of the vertex in
ax^2+bx+c is -b/2a

y value is just sub for x

3x^2-6x+5
x value of vertex is -(-6)/(2*3)=6/6=1

sub back
y=3(1)^2-6(1)+5
y=3(1)-6+5
y=3-1
y=2

vertex is (1,2)

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