# Tag Archives: tangent line

## Calculus – Addendum: Derivative of f(x)=9/x Find the equation of the Tangent Line at x = 3

By | November 4, 2016

Addendum: Derivative of f(x)=9/x In this tutorial the students will learn how to use the power rule to find the derivative, create the equation of the tangent line and verify the results with the TI-84 graphing calculator. Explicit Function Point of Tangency Substitute in the value of x, 3, into the function to find the… Read More »

## Calculus – Addendum – Using the TI-84C to find the tangent lines of an ellipse through a specific point

By | November 3, 2016

Using the TI-84C to find the tangent lines In this tutorial students will learn how to use the TI-84C to graph and verify their work.  The students will also learn how to convert implicit functions into explicit functions and graph using the TI-84C.  The students have already found the equations of the 2 lines that… Read More »

## Calculus – Addendum – Find 2 tangent lines to an ellipse that intersect at a point not on the graph

By | November 2, 2016

Addendum – Find the tangent line equations In this tutorial the students will revisit a previous tutorial where we found the equation to 2 tangent lines.  The problem is that the equations are in a more complex form.  The students will simplify the tangent line equations and verify their results using an online graphing calculator. In… Read More »

## Calculus – Find the equations of both tangent lines to the graph of the ellipse that pass through the point (0,4) not on the graph.

By | November 1, 2016

Find the equations of the tangent lines problem In this tutorial the students will answer the question below using various techniques learned in calculus.  The students will use what they have learned about calculus, implicit differentiation and basic algebra. Find the equations of both tangent lines to the graph of the ellipse that pass through the… Read More »

## Calculus – Tangent Line at a point using Implicit Differentiation

By | October 31, 2016

Implicit Differentiation In this tutorial students learn how to find the equation of the tangent line given the point of tangency. The students then verify the solution using the GRAPH, WINDOW, CALC, dy/dx and TRACE features of the TI-84C. Implicit Function Implicit Differentiation Substitute in point (2,1) to calculate the slope Tangent Line 1) If only… Read More »

## Calculus – Find the Derivative at a value of x

By | October 30, 2016

Find the derivative at a value of x In this tutorial the students will learn  how to find the derivative of a function at a specific point.  The student will find the point of tangency and the derivative.  Using this information the student will then write the equation of the tangent line. Explicit Function Derivative… Read More »

## Calculus – Find the Tangent line Equation at Point (-1,1)

By | October 29, 2016

Find the Tangent line Equation at Point (-1,1) In this tutorial students learn how to find the equation of the tangent line given the function and the point of tangency. The students then verify the solution using the GRAPH, WINDOW, CALC, TANGENT and TRACE features of the TI-84C. Explicit Function Point of Tangency Derivative Slope Substitute… Read More »

## Calculus – Find the Tangent Line Equation at Point (2,1)

By | October 28, 2016

Find the Tangent Line Equation at Point (2,1) In this tutorial students learn how to find the the equation of the line tangent to a function at the given point.  This point is also known as the point of tangency.  The students then verify the results using the TI-84C graphing calculator.  The students will use… Read More »

## Calculus – Find the Equation of the Tangent Line at (1,3)

By | October 27, 2016

Find the Equation of the Tangent Line at (1,3) In this tutorial students learn how to find the equation of the tangent line given the point of tangency. The students then verify the solution using the GRAPH, WINDOW, CALC, dy/dx and TRACE features of the TI-84C. 1) If only the x value is given we should… Read More »

## Calculus – Difference Quotient on a Reciprocal Function

By | October 15, 2016

Difference Quotient on a Reciprocal Function In this tutorial students learn how to use the difference quotient. Once the derivative is found the students will then write the equation of the tangent line. Finally the students will verify the results with the TI-84 Plus C graphing calculator.