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

Rewrite the rational exponent as a radical by extending the properties of integers exponents. 2^3/4 / 2^1/2
How many representatives are there in the House of Representatives?
The numerical factor of a term. In 5x, the 5 is the coefficient. Identities Origin Exponent Coefficient
What other countries celebrate the 4th of July?
In 1803, the United States bought Louisiana Territory from France. The deal, known as the Louisiana Purchase, doubled the size of the U.S. and opened a new fro
What other countries celebrate the 4th of July?
Believing that all football players are academically challenged, that all African Americans are great athletes, and that all women can cook well are examples o
Which geological features did Sally Ride observe from orbit?
What American President was famous for playing golf every Fourth of July?
Where does the Liberty Bell hang?