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

Divide the following polynomials. Then place the answer in the proper location on the grid. Write your answer in order of descending powers of x. Write the quot

Which idea best reflects the historical context of Harlem in the 1940s? Laboring in the fields day after day can wear a person down physically and emotionally

how does jim o'connor feel about his own future in the glass menagerie

Factor this trinomial completely. –10x2 + 36x + 16 A. –10x2 + 36x + 16 –2(5x2 – 18x – 8) –2(5x + 1)(x – 8) B. –10x2 + 36x + 16 –2(5x2 – 16x – 8) –2(5x + 4

How does the stomach continue digestion

Explain the process of restriction fragment analysis. how accurate is it and why

Why scientists know more about the cenozoic than they do about other eras

how does Saladin describe the Turks

why did so many leisure activities become very popular at the end of the nineteenth country? please help! :(

The breaking of the “fourth wall” by Wilder means _____. his writing is open to interpretation. he expects audience members to use their imaginations. the char