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 sudden realization of the solution to a problem is called
Which is the best meaning of the italicized word in the phrase “Are fervent with life”? a. frightful c. cautious b. cowardly d. passionate
Would a graphic drawing board count as a DLNA device or bluetooth?
In the cracking of dicyclopentadiene why is it necessary to distill the product very slowly
What is the relationship between first-person point of view and bias? A. Because first-person point of view is the most personal, the narrator's version of even
Find the measure of angle C
What type of microscope would be used in the laboratory to observe very small objects or organisms on a slide?
How do u find these? What do they look like. 3 and 4 or either one
A patient is taking nicotinic acid (niacin) to treat hyperlipidemia. the patient reports a flushing sensation along with gastrointestinal irritation. the nurse
Do the benefits of raising the minimum wage outweigh the drawbacks?