potatochin21
21.10.2020 •
Mathematics
The graph of a line in the xy-plane passes through the point (1, 4) and crosses the x-axis at the point (2.0). The line crosses the y-axis at the point (0, b). What is the value of b?
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Ответ:
Answer with step-by-step explanation:
The graph passes through both (1,4) and (2,0)
Thus it's slope is the difference of ordinates over difference of abscissae or -4
Thus the equation becomes y = -4x + b
This b is the required b
At x=2 ; y=0
Thus 0= -8 + b
b=8
Ответ:
to the nearest thousand=0.136