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What real value of $t$ produces the smallest value of the quadratic $t^2 -9t - 36$?

 Jan 23, 2018

Best Answer 

 #1
avatar+8394 
+2

t   =   - (-9) / [ 2(1) ]

 

t   =   9/2

 

t   =   4.5

 

Here's a graph:  https://www.desmos.com/calculator/tguq1gfei0

 Jan 23, 2018
 #1
avatar+8394 
+2
Best Answer

t   =   - (-9) / [ 2(1) ]

 

t   =   9/2

 

t   =   4.5

 

Here's a graph:  https://www.desmos.com/calculator/tguq1gfei0

hectictar Jan 23, 2018

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