Mathematics for IGCSE & O level - Equations (Section 2 - No. 9)
What's the significance of the sign of the 'b' term (coefficient of the x term) in the quadratic equation?
It doesn't have any significance.
It affects the x-coordinate of the vertex.
It only determines the y-intercept.
It indicates whether the parabola opens upwards or downwards.
Explanation
The 'b' term affects the x-coordinate of the vertex.
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