teatree teatree

02-08-2020
Mathematics

contestada

Which two points satisfy y = -x2 + 2x + 4 and x + y = 4?

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shaleenparikh1 shaleenparikh1

02-08-2020

y=4-x
0= -x^2 + 3x
x=0 or 3
so y = 4-0 or y= 4-3
y=4 or 1

The two points are:
(0,4) and (3,1)

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