needsHelp09
needsHelp09 needsHelp09
  • 07-02-2019
  • Mathematics
contestada

Which equation matches the quadratic equation displayed in the graph?

A) y = x2 - 1
B) y = x2 + 1
C) y = (x + 1)2
D) y = (x - 1)2

Which equation matches the quadratic equation displayed in the graphA y x2 1 B y x2 1 C y x 12 D y x 12 class=

Respuesta :

anthoniia anthoniia
  • 07-02-2019

Answer:


Step-by-step explanation:

vertex: (m,n) = (0,1)

f(x) = a(x-m)² + n = a(x-0)²+1

y = x² +1

Tip: you could pick any point on the curve and plug the x value in the given equations to see  if you get the y value

eg. if you pick (x,y) = (-2,5) as your point, the right equation would give you 0 which is y.

x²+ 1 =y; -2²+1 = 4+1=5; so when x is -2, y is 5

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