janae13sabillon janae13sabillon
  • 04-08-2021
  • Mathematics
contestada

Write the quadratic equation whose roots are 2 and -4 and whose leading coefficient is 2

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 04-08-2021

Answer:

2x^2+4x-16

Step-by-step explanation:

The quadratic can be written as

f(x) = a(x-z1)(x-z2) where z1 and z2 are the roots

f(x) = a (x-2)(x- -4)

a is the leading coefficient

f(x) = 2(x-2)(x+4)

     = 2(x^2 -2x+4x-8)

     = 2(x^2 +2x-8)

     = 2x^2 +4x-16

Answer Link

Otras preguntas

Find the perimeter of the following triangle.
A recipe calls for 1.5 cups of raisins for 18 cookies how many cups of raisins must be used for making 30 cookies. please break it down
When you consume a lot of alcohol, your sleep will be __________ . A. filled with dreams B. heavy C. restless
Solve the equation. Check for extraneous solutions. 2|7−7x|=2x+4
Describe the differences in the abiotic factors of the open ocean photic zone compared to the open ocean aphotic zone.
Which of the following have resilience?(you can pick more than one or it could be all of them) a. person b.a doormat c.a lawn d.a question
which of the following is NOT a sympton of menopause? a. ovulation stops b. menstruation stops c. sex hormone decrease d. sexual drive deceases
please help!! ASAP!
What’s the answer for this
HELP ASAP!! Adding Linear Expressions. (Add.) 1. (5x+7)+(x+2) 2.(-6x+3)+(x-7) If you help it would mean a lot to me!