Mathematics for IGCSE & O level - Graphs Of Functions (Section 1 - No. 38)
What is the effect of a 'b' value on the graph of a quadratic equation of the form y = ax² + bx + c?
It affects the y-intercept
It affects the x-coordinate of the vertex
It affects whether the graph opens up or down
It causes a vertical shift of the graph
คำอธิบาย
'b' affects the horizontal position of the vertex and the axis of symmetry.