Asked by Chels
Solve 2x^2=3x+2 by graphing. If exact roots can't be found, state the consecutive integers between which the roots are located.
Can you show how to do this step by step?
Can you show how to do this step by step?
Answers
Answered by
drwls
2x^2 -3x -2 = 0 can be factored as
(2x+1)(x-2) = 0
This is satisfied when x=-1/2 or x=2
We can't draw graphs for you here. You can do that yourself by making a plot of y = 2x^2 -3x -2 vs. x and seeing where it crosses the x axis.
(2x+1)(x-2) = 0
This is satisfied when x=-1/2 or x=2
We can't draw graphs for you here. You can do that yourself by making a plot of y = 2x^2 -3x -2 vs. x and seeing where it crosses the x axis.
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