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Where will a cannonball land after firing? How does a harmonograph create art? How can logarithm scales help us represent the universe? Through motivating questions and interactive graphing, you’ll learn pre-calculus without relying on memorization.
By the end of this course, you’ll have mastered the foundational skills for working with exponential equations, logarithms, conic sections, and parametric equations.
Overview
Syllabus
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- Introduction to Pre-Calculus: Get a start with exponential growth and logarithms.
- Exponential Growth to the Moon: Start thinking about exponential functions with this estimation and stacking challenge.
- Logarithms: What is a logarithm, and how do you solve one?
- Logarithmic Scales in Space: Unify exponential and logarithm ideas as you chart a map through space.
- Exponentials: It gets large (or small) faster than you might think!
- Exponential Growth: Keep on doubling!
- Changing the Base: What happens when you change the base of an exponential?
- Exponential Arithmetic: Get some practice algebraically and graphically transforming exponents.
- Financial Investing: Learn some of the money-related applications of exponents.
- Logarithms: Invert exponentials to get these.
- Defining Logarithms: Get started with the basic ideas behind logarithms.
- Log Scales: Practice the application of log scales.
- Graphing Logs: What does a log look like when you graph it?
- Understanding Log Arithmetic: Add, subtract and multiply with logarithms.
- Log Arithmetic Practice: Strengthen your logarithm arithmetic skills with some problem solving.
- Change of Base: Learn and apply a special formula that changes the base of the logarithm.
- Log Equations: Solve for x when a logarithm is involved.
- Applying Log Scales: Look at some special applications of the logarithm.
- Conic Sections: Slice a cone and open a whole new class of curves.
- Introduction to Conic Sections: Strengthen your intuition for conic sections and the parabola as a special case of conic slices.
- Circles: Practice moving circles around the coordinate plane.
- Ellipses: Stretch circles into ellipses and understand the relationship between an ellipse's foci and its function.
- Parabolas: Learn another way to define a parabolic curve using a focus point and directrix line.
- Mirrors and Lenses: What happens when mirrors are shaped like parabolas?
- Hyperbolas: Cut a cone vertically to get this strange set of conic sections.
- Parametric Equations: Separate the horizontal and the vertical.
- Horizontal and Vertical: Describe motion with equations.
- Lines: Use two equations to track a point on a line.
- Projectiles: Unleash more parametric power to hurl objects through the air.
- Pendulums: Join conic sections with parametric equations and preview trigonometry along the way.