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

how do you use distributive property to find the answer of 75 divided by 3
What number is not part of the domain of f(x)= 3/ x+5 (3 over x + 5)
How to put this an equation (an athlete trains for 115min each day for as many days as possible. Write an equation that relates the number of days d that the at
The florist has 63 roses and carnations.if she has 27 roses bow many carnations does she have?
whats 25/7 as a mixed number?
A procedure designed to test a hypothesis
In the Sumerian civilization, the purpose of a ziggurat was to
AngleDFG and angleJKL are complementary angles. M angleDFG =x+5, and m angleJKL=x-9. Find the measure of each angle
What problems brought on the tariff debates of 1827 and 1828? In what way did the South respond to northeastern demands for a higher tariff, and on what did the
Population density is the number of people per unit of area. What is the population density of a state that has 1627260 people in 1490 square miles? Round to th