回答:
#y = 5x-6#
説明:
我々は使用するだろう ## y = mc + c#
#m = "勾配/ 勾配(http://socratic.org/algebra/graphs-of-linear-equations-and-functions/slope)"#
#c = "y切片"#
#m =(デルタ)/(デルタ)=(y_2-y_1)/(x_2-x_1)=(4- -6)/(2-0)#
#m =(4 + 6)/ 2 = 10/2 = 5#
#:y = 5x + c#
# "for"(0、-6)#
-6 = 5xx0 + c#
#=> c = -6#
#y = 5x-6#