Mathematics for IGCSE & O level - Sketching Curves (Section 1 - No. 7)
What is the first step in sketching the graph of y = x² + 5x + 6?
Find the vertex.
Find the y-intercept.
Find the roots/x-intercepts.
Identify the shape.
Paliwanag
Identify the shape and then other key features, such as intercepts, help sketch the graph.