SOLUTION: 2x^2+x-3=0
My class assignment is to plot a grapgh using excel, but the main bit is trying to work out the the intersections of .
x=-3 and x=3. I need to plot some coordinate
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-> SOLUTION: 2x^2+x-3=0
My class assignment is to plot a grapgh using excel, but the main bit is trying to work out the the intersections of .
x=-3 and x=3. I need to plot some coordinate
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Question 458265: 2x^2+x-3=0
My class assignment is to plot a grapgh using excel, but the main bit is trying to work out the the intersections of .
x=-3 and x=3. I need to plot some coordinates. Answer by oberobic(2304) (Show Source):
You can put this solution on YOUR website! factor
2x^2 +x -3 = 0
.
(2x + ?)(x - ?) = 0
.
Well the factors of 3 are 1 and 3.
So, does that work or do we have to use the quadratic equation?
.
(2x+3)(x-1) = 0
.
So the solutions are x=1 or -3/2.
.
The graph is
(