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AP Calculus/Calculus2A, 2B
Think – Pair – Group Share – Whole class Share
UNIT 2: DERIVATIVES & DIFFERENTIATION
I. DERIVATIVES AND TANGENT LINES (2A, 2B)
A. OBJECTIVE: Find the slope of a tangent line on a curve at a point.
Find the secant line using the given information:
Note:The closer the chosen point is to the given point, the better the approximation gets.
If we want the x-value to get closer and closer to “a”, that means “h” has to get closer and closer to 0.
Materials needed:Whiteboard
Whiteboard marker Eraser
Discuss and use whiteboards:What is the difference between the secant line and tangent line?
What is a Tangent line?
What is the difference between the secant line and tangent line?
Secant line Tangent line
B. All about the Derivative
Finish the sentence:
1. The secant’s slope is the ______________
2. The tangent’s slope is the ________________
Note:
Differentiation is the process.
Derivative is the answer.
(AP Question)Find the equation of the tangent line to the curve that is parallel to the line 4x-2y=3.
Equal your derivative to the slope.
Take out your homework and
your supplies
C. Normal Lines
A normal line is another name for a perpendicular line to the tangent.
Note: The normal slope is -1/ the tangent slope
Homework due Thursday:
Find the derivative with respect to x.
Use complete sentences that include the rules, properties and specific steps that you used.