Asked by Kyle
For what values of a and b is the line
4x + y = b
tangent to the parabola
y = ax2
when x = 5?
4x + y = b
tangent to the parabola
y = ax2
when x = 5?
Answers
Answered by
bobpursley
line y=-4a+b slope -4
so if tangent to the curve, y'=-4
y'=-4=2ax=10a
then solve for a, and b.
so if tangent to the curve, y'=-4
y'=-4=2ax=10a
then solve for a, and b.
Answered by
A
That doesn't help at all
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