Secant Line: Definition & Formula


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How many times does a secant line of a curve intersect that curve?

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1. A secant line intersects the curve y = x^3 + 2x - 7 at x = -2 and at x = 1. What are the intersection points at these x-values?

2. If a secant line intersects a curve at the points (2,4) and (5,10), what is the equation of the secant line?

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About This Quiz & Worksheet

Find out what you know about secant lines with this quiz and worksheet. Answer quiz questions about specific areas such as secant curves and intersecting points these curves.

Quiz & Worksheet Goals

Make use of these study assessments in order to:

  • Find the equation of a secant line from given points
  • Identify the equation of a secant line that intersects a given curve
  • Recognize a secant line from a given circular curve

Skills Practiced

Use the following study skills from the worksheet and quiz:

  • Critical thinking - apply relevant concepts to examine information about circular curves in a different light
  • Problem solving - use acquired knowledge to solve secant lines practice problems
  • Interpreting information - verify that you can read information regarding how many times a secant line of a curve intersect that curve and interpret it correctly

Additional Learning

This lesson entitled Secant Line: Definition & Formula will help guide you in your studies of this subject. Follow along in the lesson as it adheres to the following study objectives:

  • Determine what a secant line is
  • Analyze what it takes to find the equation of a secant line
  • Understand point slope form of a line