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

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

What important events have happened in New york

If the question includes the word suggests, I know that this is a or an _____________ question. A right there B inference C vocabulary D theme

Which times and distances are represented by the function? select three options. the starting distance, at 0 hours, is 300 miles. at 2 hours, the traveler is 72

Write the slope intercept form of each equation of the line. Use a fraction for slope if needed. Parallel to y=−x+5, through (2, 4)

Determine whether 5, 238 is divisible by 2, 3, 4, 5, 6, 9, or 10.

An atom has eight protons and nine neutrons. draw the atomic structure of the atom

Triangle MRN is created when an equilateral triangle is folded in half. Triangle N R M is shown. Angle N R M is a right angle. An altitude is drawn from point R

What are the 4 different types of fossils?

Ways to prevent gun violence

The graph of y=kcos(8x)