Question

vertex at the origin,the axis of symmetry is the x axis,contains a point A(3,-2)
find the equation of parabola​

Answer 1

Answer:

Given that axis is along the x axis,

So, equation of parabola is of from

y

2

=4ac or y

2

=−4ax

Since (5,3) is in 1

st

 quadrant  

So, the parabola will of the from

y

2

=4ax

Point (5,3) will satisfy the equation of

parabola

putting x=5,y=3 in equation

(3)

2

=4a(5)

y=20a

a=

20

9

​

 

Hence equation of parabola,

putting value of  a=

20

9

​

 is

y

2

=4×(

20

9

​

)×x

y

2

=

5

9

​

x

5y

2 =9x

Step-by-step explanation:

Answer 2

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