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

Consider the formula for glucose: C6H12O6. What does this indicate about the relationship of the reactants to glucose?
America is referred to as a social experiment what do you think that phrase means
there are 64 fifth graders at parks school. 3/8 of them bring their own lunch to school. how many of them bring their own lunch?
Taylor is building dog houses to sell. Each doghouse house requires free full sheets of plywood which Taylor cuts into new shapes. The plywood is shipped in b
A student reads 65 pages per hour proportional relationship
Which algae are responsible for causing red tides that can kill thousands of fish? Chlorophyta Rhodophyta Phaeophyta Pyrrophyta
3 times the sum of 1/3 of a number and 8 is 11
Relate the statement you can't get something for nothing to the law of conservation of mass
Which of the following is perpendicular to the line y= -1/2x+8
Which is an example of hypothetical evidence? A: Most politicians hire professional speech writers to prepare what they say. B: In his latest speech, Mayor John