mwalker594 mwalker594

04-12-2018
Mathematics

contestada

Find the equation for the quadratic function whose x-intercepts are -1 and 3with the leading coefficient is 2

Respuesta :

jimrgrant1 jimrgrant1

04-12-2018

Answer:

y = 2x² + 8x + 6

Step-by-step explanation:

given x = - 1 and x = - 3 are x- intercepts then

(x + 1) and (x + 3) are factors and

y = a(x + 1)(x + 3)

given a = 2, then

y = 2(x² + 4x + 3)

= 2x² + 8x + 6

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