djs1002
03.03.2022 •
Mathematics
Use your graph to find roots of equation of y=-3x^2-2x+2
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Ответ:
(x-4)^2 + 6
Step-by-step explanation:
(x-a)^2 + b = x^2 - 2xa + a^2 + b
x^2 -2xa +a^2 + 6 = x^2 -8x +22
Hence:
-2xa = -8xa
a^2 + b = 22
b = 22 - a^2
b = 22 - 16
b = 6