Quadratic Equations By Factoring Worksheet With Answer Key

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4-3 Solving Quadratic Equations by Factoring
Write a quadratic equation in standard form with the given root(s).
 
17. 7
 
SOLUTION:  
Write the pattern.
 
 
Since there is only one root, it is a repeated root. Replace p and q with 7.
 
 
Use the FOIL method to multiply.
 
 
19. 
 
SOLUTION:  
Write the pattern.
 
 
Replace p and q with
 
 
Use the FOIL method to multiply.
 
 
Multiply each side by 5.
 
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Page 1
 
Factor each polynomial.

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