aparra6757 aparra6757
  • 22-03-2020
  • Mathematics
contestada

Write a quadratic equation in the form ax^2+bx+c=0 with roots of -4 and 5

Respuesta :

Hrishii
Hrishii Hrishii
  • 22-03-2020

Step-by-step explanation:

- 4 & 5 are roots

Therefore, (x + 4) & (x - 5) are factors.

Required quadratic equation is given as:

[tex](x + 4) (x - 5) \\ = x(x - 5) + 4(x - 5) \\ = {x }^{2} - 5x + 4x - 20 \\ = {x}^{2} - x - 20 \\ [/tex]

Answer Link

Otras preguntas

Find the total price including 7percent tax on a $9.79 purchase
Hey there this is Japanese What is the meaning of :1) sugoi2) takai
a⁴+b⁴=a²b² ,prove that a⁶+b⁶=0
White phosphorus, P4, is prepared by fusing calcium phosphate, Ca3(PO4)2, with carbon, C, and sand, SiO2, in an electric furnace.2Ca3(PO4)2(s) + 6SiO2(s) + 10C(
How can I work out 30% of (blank) is 60?
Write y=2x^2+8x+5 in vertex form. Please
solve for r F= k (m1m2/r^2)
Please solve equations by completing square
4x-5y=20 find the slope
why is it important to know your variables when conducting an investigatory problem  ?