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iloveporche6364
04.08.2019 •
Mathematics
Find the equation of the circle tangent to the line 4x-3y+12=0 at (-3 0)
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Ответ:
What would you like the radius to be? Lets say the radius is 5 since it will work out well with our tangent line. Now there are two places this line could go - it could go left of the line or right of the line - lets say to the right. This would put our center at the point (1,-3). Therefore the equation would be
If you plug in the point (-3,0) it is on the circle and the line is tangential to the circle.
Ответ:
3
Step-by-step explanation:
We must find the slope using the slope formula.
Slope:
We substitute and