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Trava [24]
4 years ago
6

Line Lis perpendicular to the y-axis. If the line contains point(0, -9), what is the equation of Line ?

Mathematics
1 answer:
Angelina_Jolie [31]4 years ago
3 0

Answer:

y = -9

Step-by-step explanation:

perpendicular to the y-axis means it is parallel to the x-axis.

so, it is a flat line, which means the slope is 0 (it has the save y value for every x value).

therefore the equation is

y = 0×x + b

of simply

y = b

to get b we look at the point we know about (0, -9).

-9 = b

aha !

so, the line equation is simply

y = -9

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