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Discriminant Worksheet and Answer Key

Example Questions

Given the graph below determine a) the sign of the discriminant b) the number and nature of the roots.

Example Question 2

Find the discriminant to determine the number and nature of the roots of the equation x2 + 7x + 6 = 0

Find all the values of a such that ax2 + 5x + 3 = 0 has two real roots.

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Visual Aids

Visual Aide 3

Other Details

This is a 4 part worksheet:

  • Part I Model Problems
  • Part II Practice
  • Part III Challenge Problems
  • Part IV Answer Key
Download this web page as a pdf with answer key
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