When a question asks you to 'solve' a quadratic equation, this means that you are to find the roots of the quadratic. In other words, where does the parabola cut the x-axis? As a graph cuts the ...
bx + c\) then if: a > 0, then the shape of the parabola is like a happy face ... Next, we need to find the roots of the equation. We can use the 'discriminant' to show how many roots there are ...
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