Syazashrin Syazashrin
  • 24-06-2018
  • Mathematics
contestada

I NEED HELP
Can anyone help?

so with the formula
[tex]f(x) = - {x}^{2} + hx - 5[/tex]
I need to state the coordinates of A..

I NEED HELPCan anyone help so with the formulatexfx x2 hx 5texI need to state the coordinates of A class=

Respuesta :

mkryukova19 mkryukova19
  • 24-06-2018
Point A is y-intercept of the graph of the function f(x) = -x² + hx - 5.

For y-intercept x=0,
so  f(0) = -0² + h*0 - 5 = - 5.
f(0) = - 5.

So, coordinates of the point A are x=0, f(0)= y = - 5.
A(0, - 5)



Answer Link
wolfcon087 wolfcon087
  • 24-06-2018
The coordinates of A are a point on the y, axis, making this the y intercept. 

For such points, the x coordinate will always be 0, so simply plug in 0 for x in your equation

f(0) = -0^2 + h*0 - 5 = -5.

So A's coordinate will be (0,-5)
Answer Link

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