garzaalaina3 garzaalaina3
  • 02-05-2020
  • Mathematics
contestada

find the vertex, zero and y-intercept of the graph of y=x^2 -6x+8

Respuesta :

mysticchacha
mysticchacha mysticchacha
  • 05-05-2020

Answer:

vertex:  (3, -1)  and   zeros:  x = 4, x = 2  and y-int:  y = -1

Step-by-step explanation:

y =  xx  - 6x  + 8

y  =  (x - 4)(x - 2)

since   -4 * -2 = 8

and  -4 + -2 = -6

so  roots are  x = 4  and x = 2

y = xx - 6x  + 9 - 9  + 8

y = (x - 3)^2  -  1

vertex:  (3, -1)

y-int:  y = -1

Answer Link

Otras preguntas

Evaluate this equation: (4^-3) (4^6)
What does the electron cloud model describe A. Rapidly moving neutrons B. Rapidly moving protons C. A standing wave of electron wavicles surrounding the nucle
Which of the following most likely functions as the climax in a story? "I understand finally why you lied, but we will be fixing this mess for years," she sai
When your body is infected with the cold virus, antibodies tag the pathogen’s ____, which are found on their outer surface, for destruction by immune cells.
Plz answer and thank you
Roberta earns $9.25 per hour at a pizzeria. Write an equation that she can use to find e, her earnings, after h hours.
what is 5(5r-7)=-185
What is the dictionary definition of biocontainment??
Which type of fat may help lower the risk of heart disease? a. cholesterol b. saturated fat c. trans fat d. unsaturated fat
Please hlep me on this question and will hlep you to