ICantMath
ICantMath ICantMath
  • 03-10-2018
  • Mathematics
contestada

What number needs to be added to both sides of the equation to complete the square?
x^2-9x=8

Respuesta :

jimrgrant1 jimrgrant1
  • 03-10-2018

[tex]\frac{81}{4}[/tex]

since the coefficient of the x² term is 1 then add

([tex]\frac{1}{2}[/tex] the coefficient of the x-term )² to both sides

x² + 2(- [tex]\frac{9}{2}[/tex] )x + [tex]\frac{81}{4}[/tex] = 8 + [tex]\frac{81}{4}[/tex]


Answer Link

Otras preguntas

a person who studies word origins and meanings would most likely be a
At the school carnival, Carmen sold 3 times as many hot dogs as Shawn. The two of them sold 152 hot dogs altogether. How many hot dogs did Carmen sell? 51382111
A transformer has a primary coil with 600 turns and a secondary coil with 300 turns. If the output voltage is 320 volts, what is the input voltage?A. 8 volts
Question: 35/8 ( write as mixed number ) Please help me very very quickly!!!!!!!!!!!!!!!!!!!
Solve the system of equations.3x+3y+6z=33x+2y+6z=74x+4y+7z=4
Why do Andhra Pradesh donot recive any snow fall during during winter months. PLEASE HELP.....EXAM TOMORROW
Given the inequalities y > 5x-8 and y >3x+4, find the point that satisfies neither inequalities
How many eights are there in 6 1/2
name 2 sound devices and what type they are from the song Where Is The Love by the Black Eyed Peas.
In Romeo and Juliet act 2, which character serves as a messenger