carol94 carol94

03-11-2014
Mathematics

contestada

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

Respuesta :

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

Can anyone read alto clef for viola ?

Two Tibetan monks are having a race along a straight path. They both start at the same time, and the race ends in a tie. Prove that at some time during the race

what is the midpoint of the segment joining the points (4,-2) and (-8,6)

despite continuing challenges from the protestants, the Catholic church refused to understand any reforms true or false

Look at the sculpture above. does it most likely have implied texture or actual texture? what texture(s) does it appear to have? include the name of the sculptu

the blank of 1767 Place taxes on imported goods such as glass tea paper and Lead

I need to know #22b and #22c.

The explanation which Isaac Newton gave for the equal and opposite reaction to every applied force is summarized in: A.1st Law B.2nd Law C.3rd Law D.Universal G

how do I figure out the area of a rectangle where the distance around the rectangle is 12.5 kilometers for 5th grade math

Some one plz tell me how to do this