carol94 carol94
  • 03-11-2014
  • Mathematics
contestada

i need help with math 1010
completing the square
x^2-9x=10

Respuesta :

konrad509
konrad509 konrad509
  • 03-11-2014
[tex]x^2-9x=10|+20.25\\ x^2-9x+20.25=30.25\\ (x-4.5)^2=30.25\\ x-4.5=5.5 \vee x-4.5=-5.5\\ x=10 \vee x=-1[/tex]
Answer Link

Otras preguntas

Georgio is building a patio.He estimates that he can install 8 square feet of paver every quarter hour.How many square feet does Georgio install per hour?
3 diff questions part 3 7.What was the outcome of the Arab-Israeli War in 1948? The Arab nations took back territory. The Arab-Israeli conflict was resolved. Th
Find the slop of (10,5) (18,9)
Which of the following planets may have a habitable moon? PLZ ANSWER A. Mars B. Jupiter C. Earth D. Venus
Spongebob can spend no more than $150 while buying fry-cooking supplies for the Krusty Krab. He has already spent $80.35 on the new Spatula-5000, but he still n
Please help ASAP brainliest....
: The average distance from Venus to the Sun is 108,200,000 ​kilometers. ​ ​Which of the following is the number expressed in scientific notation?
You have a 30% chance of pulling a red gummy bear out of a bag. What is the probability you will not pull a red on your first pull (and replace it) and your sec
the volume of a cylinder with a diameter of 8 inches and a height that is three times the radius
Conjugate the following stem changing verbs. A. Empezar (erie) Yo Tú él/ella / usted Nosotros Ustedes / Ellos