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https://vle.mathswatch.co.uk/images/questions/question920.png

question b plz plz

 Sep 25, 2020
 #1
avatar+27695 
+1

Turning point is the lowest point on the red lined graph.....also called the 'vertex'

    'roots' are the coordinates of the points where the red line crosses the x-axis......there are two of them....

 Sep 25, 2020
 #2
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sorry i cant get thr roots right i tried 0,-3

0,-1 and it is wrong plz help

 Sep 25, 2020
 #3
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plz help

 Sep 25, 2020
 #4
avatar+27695 
+1

Good try  !   ....but your coordinates are backwards.....  

   x, y  of the roots are  -3,0    -1, 0

 Sep 25, 2020

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