Nessyg29 Nessyg29
  • 21-11-2019
  • Mathematics
contestada

write a quadratic equation that has x-intercepts of -1/3 and 5/2

write a quadratic equation that has xintercepts of 13 and 52 class=

Respuesta :

DevonFen DevonFen
  • 25-11-2019

Answer:[tex]6x^{2}-13x-5[/tex]

Step-by-step explanation:

Given that the two roots of the quadratic equation are [tex]\frac{-1}{3}[/tex] and [tex]\frac{5}{2}[/tex].

If [tex]\alpha[/tex][tex],\beta[/tex] are the roots of the quadratic equation,the equation is [tex](x-\alpha )(x-\beta )[/tex].

It is given that [tex]\alpha =\frac{-1}{3}[/tex] and [tex]\beta =\frac{5}{2}[/tex].

So,the equation is

[tex](x-(\frac{-1}{3}))(x-\frac{5}{2})[/tex]

=[tex]x^{2}-\frac{5}{2}x+\frac{x}{3}-\frac{5}{6}[/tex]

=[tex]6x^{2}-13x-5[/tex]

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