tamic198223
tamic198223 tamic198223
  • 04-04-2015
  • Mathematics
contestada

What is x^2+8x-5 in vertex form? Please explain.

Respuesta :

konrad509
konrad509 konrad509
  • 04-04-2015
[tex]x^2+8x-5=\\ x^2+2\cdot4\cdot x-5=\\ x^2+2\cdot4\cdot x+4^2-4^2-5=\\ (x+4)^2-16-5=\\ (x+4)^2-21 [/tex]
Answer Link
mathgirl22
mathgirl22 mathgirl22
  • 04-04-2015
[tex]x^2+8x-5=\\ x^2-8x+16-21=\\ (x-4)^2-21[/tex]
Answer Link

Otras preguntas

Please associate the verb forms in column A to the sentences in column B.
Simplify the given expression. (–3x2 – 9x + 17) – (15x2 + 20x – 4)
Solve the quadratic equation by completing the square. PLEASE HELPPPPPPPPPPPPPP!!!!!!
What is the shape of a cross section that is parallel to the base of a cylinder? A) rectangle B) triangle C) square D) circle
find the area and perimeter of the shaded part.
summerize the definition of genocide
Ana presenta un examen. la cafetería el estadio la biblioteca el salón de clase el auditorio
Which function could be represented by the graph on the coordinate plane? f (x) = (x-8)2 + 6 f(x) = (x + 8)2 + 6 f(x) = (x + 8)2 – 6 f(x) = (x – 8)2 - 6
The main effect of the earth tilting is A. Heating B. Seasons C. Atmosphere D. Years
PLEASE HELP!!! WILL MARK BRAINLIEST!!!Spencer is asked to factor the polynomial 256x^4 y^2-y^2completely over the integers. His work is shown below.256x^(4)y^(2