Mathematics for IGCSE & O level - Graphs Of Functions (Section 4 - No. 4)
What graphical property changes as the constant 'c' is changed in a quadratic equation?
The x-intercept.
The position of the vertex.
The y-intercept.
The direction the graph opens.
Explanation
The constant 'c' determines the y-intercept (where x = 0).
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