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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
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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 (12 of 16) Exercises:
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Exercise 11
Find 3<7,10>.
Answer
There are two ways to do this.Way 1: Do the multiplication first, then find the magnitude of the resulting vector: 3<7,10> = <21, 30>
Way 2: Find the magnitude of the vector <7,10> and then scale by
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