find the derivative of y²=8(x-6)
Answers
Step-by-step explanation:
This parabola has a vertex at (0,0) and opens to the right along the positive x axis
It is also of the form y2 = 4ax, dx/dt = 4a
y2 = 8x
However we are given a point that lies inside the parabola (4, 2) instead of on the parabola
Graph the parabola, draw a line that passes through (4,2) and the shortest distance to one point on the parabola, use these two points and calculate the slope of the line (Normal Line).
I used (4,2) and (2,4), got a slope of negative 1 and line and y intercept at (0,6)
y = -x + 6
The line perpendicular to this line that passes through (2,4) will be a tangent to your parabola.
You can graph y2 = 8x at Desmos.com
Also
Once you get a point on the parabola if you are familiar with derivatives you can use the derivative approach above.
In either case I got y = x + 2 for a tangent.
There is more than one tangent to the parabola
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Answer:
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