lisapressley2001
lisapressley2001 lisapressley2001
  • 02-01-2017
  • Mathematics
contestada

Determine the type and number of solutions of x^2-8x+16=0

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 02-01-2017
type?
anyway, what 2 numbers multiply to get 16 and add to get -8
-4 and -4
(x-4)(x-4)=0
(x-4)²=0

set to zeo
x-4=0
x=4

there is 1 soltuion repeated twice (x=4)
Answer Link
bcalle
bcalle bcalle
  • 02-01-2017
This would factor to (x-4)(x-4)=0

The discriminant would be b^2-4ac___64-4*1*16=0

The factors show x=4,x=4; a double root and the discriminant shows 0 which is also 1 real rational zero
Answer Link

Otras preguntas

Which word is closest to the meaning of the underlined word as it is used in the paragraph? Use the thesaurus to find the correct meaning. That team was known f
Help me solve 1 <2n-5 <_7 also please explain
What is the need for cellular specialisation in a multi-cellular organism?
What is one difference between a cell wall and a cell membrane?
Select all that apply. The Middle Latitudes have: 1.only two seasons 2.milder climate 3.cool summers 4.abundant rainfall in some places, less in other areas
One day Lexi and i whent to the park to do challenging's and I picked up 34 sticks and Lexi picked up 34 times the siicks i got. How many did i have all togeth
What moves the figure in any direction without rotation
what does Na+ represent? select all that apply.
-2 times [5+(-8)] Use the distributive property to write an equivalent expression.
One of the major concerns of employees who work in hrm is to develop human capital. what is one of the best ways a manager can develop human capital?