sherissa334 sherissa334
  • 24-04-2021
  • Mathematics
contestada

Help me with this question please

Help me with this question please class=

Respuesta :

clarch19
clarch19 clarch19
  • 26-04-2021

Answer:

y = x² - 8x + 18

Step-by-step explanation:

vertex form based on vertex of (4,2) and point (2,6)

y = a(x - 4)² + 2

find 'a':

6 = a(2 - 4)² + 2

6 = 4a + 2

4 = 4a

a = 1

Convert y = (x - 4)² + 2 to standard form:

y = x² - 4x - 4x + 16 + 2

y = x² - 8x + 18

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