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

The exchange rate is £1 =$1.54 how many $ would I get for £200
List 4 causes or motivating factors for imperialism
The volume of a prism is 230 mm3. Which statements are true about the same prism measured in cubic centimeters? Choose all answers that are correct. A. The num
Which of the following was NOT a problem that led to the fall of the Soviet Union? Choose one answer. a. Drastic drops in the production of Soviet coal and ste
75 students decreased by 80%
the elightenment idea of separation of powers led to
What is the approximate area of the figure? Help pls..... A. 152.5 square feet B. 209.04 square feet C. 114.8 square feet D. 124.3 square feet
Which religion has the most followers in France? Lutheranism Judaism Anglicanism Catholicism
Which sentence uses commas correctly? A. Please deliver the signed application to 1417 Corporate Boulevard, Baltimore, Maryland, by Monday, March 12. B. We will
Which is the end result of cytokinesis?