The slope of the line which is a tangent to the parabola at its vertex.
Answer to Problem 5QR
The required slope of the parabola is 0.
Explanation of Solution
Given information:
The parabola:
Formula used:
The vertex form of a parabola:
The given equation of the parabola is,
It is known that the vertex form of a parabola is
Rewrite the equation (1) as:
So, the vertex of the above equation is
Use the above slope formula to find the slope at x = 0.
Hence, the required slope of the parabola is 0.
Chapter 3 Solutions
Calculus: Graphical, Numerical, Algebraic: Solutions Manual
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