NATALIASTACEY NATALIASTACEY

27-04-2021
Mathematics

contestada

y=x2-8x-3 standard to vertex form

Respuesta :

mhanifa mhanifa

27-04-2021

Answer:

y = (x - 4)² - 19

Step-by-step explanation:

Standard form of quadratic function:

y = ax² + bx + c

Vertex form:

y = (x - h)² + k

Convert the given function by completing a square:

y = x² - 8x - 3 =

x² - 2*4*x + 4² - 4² - 3 =

(x - 4)² - 19

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