strodersage
03.06.2020 •
Mathematics
Someone please help me
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Ответ:
X = 0, Y = 5
X = -2, Y = -3
Equation: Y = aX + b
Using point 1:
5 = a0 + b
=> b = 5
Then again
Y = aX + b
-3 = a(-2) + 5
-3 - 5 = -2a
- 8 = -2a
=> a = 4
Y = 4X + 5
Ответ:
a^2 + b^2 = c^2 since it forms a right triangle
32^2 + b^2 = 40^2
1024 + b^2 = 1600
b^2 = 576
b = 24
so the correct answer would be A