kristjanscott2003 kristjanscott2003

25-10-2020
Mathematics

contestada

x²–5x+5=0

what is the solution of this equation?

Respuesta :

oscar236 oscar236

25-10-2020

Answer:

x = 2.5 ± √1.25

which is

3.62, 1.38 to the nearest hundredth

Step-by-step explanation:

x^2 – 5x + 5 = 0

This won't factor so we use completing the square:

(x - 2.5)^2 - 6.25 + 5 = 0

(x - 2.5)^2 = -5 + 6.25 = 1.25

x - 2.5 = ±√1.25

x = 2.5 ± √1.25

Answer Link

Otras preguntas

Karen could lift 18 pounds with apulley. When Marcus helped her,they could lift 32 pounds. WhenAntonio also helped, they could lift19 more pounds than that.How

do you use a laptop or pc

What is the value of r if the line that passes through ( 4,3 ) and ( -5,r ) has a slope of -1

Which method gives the actual age fossil in years ? A. Absolute dating B. Relative dating Answer is a

What groups made up New Immigrants?

In the lamb by william blake the lamb is a symbol of what

For the given quadratic equation convert into vertex form, find the vertex, and find the value for x = 6. Show your work. y = -2x2 + 2x +2 y=-2(x^2-x)+2 -2(x-1/

Child hitting , its it abuse or part of parenting?

What resulted from the advances in transportation and industry that occurred in America between the end of the Civil War and 1900?

why do people like legends?