gretagustafson
gretagustafson gretagustafson
  • 03-06-2020
  • Mathematics
contestada

What is the equation for this parabola (located above) in vertex form?

What is the equation for this parabola located above in vertex form class=

Respuesta :

lucasella
lucasella lucasella
  • 03-06-2020

Answer:

f(x)=x²-2x-2

Step-by-step explanation:

f(x)=ax²+bx+c

f(0)=-2 => c= -2

f(1)= -3=> a+b-2=-3; a+b=-1

f(2)= -2; 4a+2b-2=-2; 4a+2b=0; 2a+b=0

a+b=-1 and 2a+b=0

2a+b-(a+b)=0+1=> a=1

2+b=0=> b=-2

f(x)=x²-2x-2

Answer Link

Otras preguntas

short essay describing desired computer science
A computer that supports 10/100/1000 Ethernet allows for 10, 100, or 1000 ________ per second.
I need help on this question: What do Katniss and the others find outside District 13?
Which of the following countries has no oil or phosphates, but some of the most abundant water sources in the region? - Israel - Lebanon -Jordan -Iran
Which best describes the main sources of energy in the United States
A land form characterized by high elevation and a more or less level surface is called a
Which of the following is NOT a measurement of exercise intensity?
A computer that supports 10/100/1000 Ethernet allows for 10, 100, or 1000 ________ per second.
If a segment of DNA were replicated without any errors, the replicated strand would have the following sequence of nucleotides: 5' - ACTACGTGA - 3' Sort the fol
In this unit, you studied World War I and World War II. Both of these wars had devastating effects on the nations that were involved in the war. What were some