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 One x-intercept?

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This problem asks, "How can you change the equation y = 2x2 + 3x + 1 so that it only has one x-intercept?"  Should I put the vertex on the x-axis?  If so, how?

 

Thanks for answering!

 Nov 18, 2015

Best Answer 

 #1
avatar+128475 
+5

Here's what you can do.......https://www.desmos.com/calculator/ycmw7rt9km

 

The red graph is the original.....the gold is the shifted graph with only one x intercept.....

 

 

 

 

cool cool cool

 Nov 19, 2015

2+0 Answers

 #1
avatar+128475 
+5
Best Answer

Here's what you can do.......https://www.desmos.com/calculator/ycmw7rt9km

 

The red graph is the original.....the gold is the shifted graph with only one x intercept.....

 

 

 

 

cool cool cool

CPhill Nov 19, 2015
 #2
avatar+56 
+5

Thanks CPhill!

 Nov 19, 2015

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