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

The length of a diagonal of a cube with edge length 25cm
Find all powers of 4 in range 4 through 1,000
you measure or observe two events to occur at the same time one nearby and one further away. Which one did you actually see first?
If 8 men can chop down 28 trees in one day, how many trees can 20 men chop down in one day?
The length of a diagonal of a cube with edge length 25cm
you measure or observe two events to occur at the same time one nearby and one further away. Which one did you actually see first?
“The genetic code is universal.” Explain this statement.
How do you Factor c(squared)-8c ??
What is the mean of 87, 93, 86, 90, and 84?
Which of the following organisms can perform alcoholic fermentation? (1) yeast, (2) humans, (3) bacteria. a. 1 and 2 b. 1 and 3 c. 1 only d. 1, 2, and 3