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

Which desert does the Huang river curve around
4% of what number is 25?
Multicellular plants and animals have organs to perform specific functions. What do eukaryotic cells have to perform specific functions? A.ribosomes B.organelle
What is the missing value? 7^___ / 7^5 = 7^-2 A. 7 B. 3 C. -3 D. -7
In laboratory volume of liquid are usually measured with a (n)
22 is 44% of what number?
In the Meselson-Stahl experiment, bacteria were grown in medium containing 15N and were then transferred to medium containing 14N. After three rounds of DNA rep
suppose a varies directly as b, and a=7 when b=2 find b when a =21
answer #5,6,7,8,9,10 5.) -2 X 3/7= 6.) -2 2/3 X4 1/10= 7.)-2 1/5 X -1 3/4= 8.)-1 1/4 X9= 9.)-1 5/7 X -2 1/2= 10.)-2 3/8 X 2 1/2=
What is the sum of 3 sixteen and 2 nines