Warm Up. Equations of Tangent Lines September 10 th, 2015.

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Presentation transcript:

Warm Up

Equations of Tangent Lines September 10 th, 2015

Tangents to Curves

STEPS to finding Equation of TL Step 1: Find the derivative Step 2: Evaluate at the given value Step 3: Use as your slope Step 4: Plug value into original to get a y-value Step 5: Write the equation of a line

Example

Finding points on Tangents Horizontal tangents have a slope = 0 Set equal to the slope value & solve for x values Plug x values back into original to find the points

Example

Examples

How to find the tangent on calculator….

Example g On calc

Homework Pg Ex (all) Pg. 604 Ex (#2-4)