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romanna [79]
3 years ago
12

State the vertex and axis of symmetry of the graph of y=ax2+c.

Mathematics
2 answers:
const2013 [10]3 years ago
6 0

in vertex form

y=a(x-h)^2+k

the vertex is (h,k) and the axis of symmetry is x=h


put into vertex form

y=ax^2+c

y=a(x)^2+c

y=a(x-0)^2+c

h=0, k=c

the vertex is (0,c)

the axis of symmetry is x=0

Neporo4naja [7]3 years ago
3 0

State the vertex and axis of symmetry of the graph of y=ax^2+c

General form of quadratic equation is y=ax^2 + bx +c

There is no bx in our given equation, so we put 0x

Given equation can be written as y=ax^2 + 0x +c

a=a , b=0

Now we use formula to find vertex

x=\frac{-b}{2a}

x=\frac{-0}{2a}=0

Now we plug in 0 for 'a' and find out y

y=a(0)^2 + 0x +c= c

So our vertex is (0,c)

The axis of symmetry at x coordinate of vertex

So x=0 is our axis of symmetry


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