Asked by dawn
If you are looking at a graph of a quadratic equation, how do
you determine where the solutions are?
you determine where the solutions are?
Answers
Answered by
drwls
Suppose you have a quadratic equation of the form
ax^2 + bx^2 + c = 0
Let y = ax^2 + bx^2 + c
Make a graph of y vs x.
The solutions to the first equation are the points where the graphed line crosses the x axis (where y = 0). There can be 0, 1 or 2 such points.
ax^2 + bx^2 + c = 0
Let y = ax^2 + bx^2 + c
Make a graph of y vs x.
The solutions to the first equation are the points where the graphed line crosses the x axis (where y = 0). There can be 0, 1 or 2 such points.
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