Equations of Tangent Lines April 21 st & 22nd. Tangents to Curves.

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Presentation transcript:

Equations of Tangent Lines April 21 st & 22nd

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

Homework Worksheet

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