marbo14 marbo14

22-06-2017
Mathematics

contestada

what are the solutions for x when y is equal to 0 in the quadratic function y=x^2-8x

Respuesta :

ClarenceV ClarenceV

22-06-2017

I would use the quadratic formula for this:

x = -b ± √b² - 4ac over 2a
x = 8 ± √64 - 4(1)(0) over 2(1)
x = 8 ± √64 over 2
x = 8 ± 8 over 2 [simplify]
x = 4 ± 4
x1 = 4 + 4 x2 = 4 - 4
x1 = 8 x2 = 0

Thus, the solutions for x would be 0 and 8.

Answer Link

Otras preguntas

What is the equation of the circle shown below?

What are the aspects mentioned under the provision of rights to equality in the constitution . Write your answers in in three points.

why do you learn English ?

A 1200 kg aircraft going 30 m/s collides with a 2000 kg aircraft that is parked and they stick together after the collision and are going 11.3 m/s after the col

The battle with the highest number of casualties was the Battle of (blank). The number of troops killed at Somme was nearly one thousand times the number killed

What’s 10 to the power of 10 A.100,000 B.10,000,000 or C.1,000,000,000

A cash register contains $10 bills and $20 bills with a total value of $520. If there are 32 bills total, then how many of each does the register contain

What is the electronic connector for an external flash called? Cameras with an external flash use an electronic connector called a “___ "to connect the flash to

Who knows how to do this

Janet, an experienced shipping clerk, can fill a certain order in 14 hours. Jim, a new clerk, needs 15 hours to do the same job. Working together, how long will