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Points, Vectors, and Functions
Home
Calculus
Points, Vectors, and Functions
Exercises
Scaling Vectors Exercises
Intro
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Functions
Increasing or Decreasing or...
Bounded
Even and Odd Functions
Magnitude
Direction
Scaling Vectors
Unit Vectors
Vector Functions
Sketching Vector Functions
Graphing Parametric Equations
Points on Graphs of Parametric Equations
Parametrizations of the Unit Circle
Parameterization of Lines
Polar Coordinates
Simple Polar Inequalities
Switching Coordinates
Translating Equations and Inequalities between Coordinate Systems
Graphing Polar Functions
Rules of Graphing We Do (or Don't) Have
Bounds on Theta
Intersections of Polar Functions
Table of Contents
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Page (14 of 16) Exercises:
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Exercise 13
If the vector
a
<5,12> has magnitude 39, what is
a
?
Answer
The vector <5,12> has magnitude
If the vector
a
<5,12> has magnitude 39, we must have scaled the original vector <5,12> by 3. Therefore
a
= 3.
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