savannahvargas512
12.02.2021 •
Mathematics
Does the function y=x^2 include the point (16,4)?
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Ответ:
y = x - 4 (2)
From (1) + (2) :
( 3x - y) + y = 6 + (x - 4)
3x - y + y = 6 + x - 4
3x = x + 2
2x = 2
x = 1 Sub into (2)
y = x - 4
y = 1 - 4
y = -3
x = 1, y = -3