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Week 8 Week Eight Concept Check

# Week 8 Week Eight Concept Check - If the line of the graph...

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Running head: WEEK 8: WEEK EIGHT CONCEPT CHECK 1 Week 8: Week Eight Concept Check Darrell Dannelley MAT/117 April 8, 2011 Jonathan Nin

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WEEK 8: WEEK EIGHT CONCEPT CHECK 2 Week 8: Week Eight Concept Check When looking at a graph of a quadratic equation you can determine where solutions are because the solutions of the graph will either cross or touch the x-axis. Solutions are also known as roots. If in a graph the line crosses the x-axis at (1,2) the solution would be x=1
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Unformatted text preview: If the line of the graph does not touch the x-axis then it does not have any real roots. If the line touches only one point of the x-axis then it has one root also called double root. If the line goes thru the x-axis at two points there will be two real roots WEEK 8: WEEK EIGHT CONCEPT CHECK 3...
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Week 8 Week Eight Concept Check - If the line of the graph...

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