SOLUTION: Tutor please help me with Y=2x^+4x.. Draw a graph showing the coordinates of the turning point
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Question 1099398: Tutor please help me with Y=2x^+4x.. Draw a graph showing the coordinates of the turning point
Found 2 solutions by ankor@dixie-net.com, ikleyn:
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Y = 2x^2 + 4x
A quadratic equation, min occurs on the axis of symmetry which we can find:
x = -b/(2a), where a=2 and b=4
x =
x = -1 is axis of symmetry
Find y when x=1
y = 2(-1^2) + 4(-1)
y = 2 - 4
y = -2
coordinates of the turning point -1,-2
Graphing the equation shows the same thing
Answer by ikleyn(52803) (Show Source): You can put this solution on YOUR website!
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