Quadratic Functions, Equations and Inequalities

Quadratic Functions, Equations and Inequalities

Secondary 3

Consider \(y=(x+1)(x-3).\)

  1. Find the coordinates of all intercepts with the coordinate axes.

  2. Find the equation of the axis of symmetry and the coordinates of the turning point. State whether it is a maximum or minimum.

  3. Sketch the graph and state its range.

Solution:

Solution locked

Sign in to view the step-by-step solution

Similar questions are unavailable for this question.
Answer:(a) Intercepts \((-1,0),(3,0),(0,-3)\); (b) Minimum TP \((1,-4)\); Axis \(x=1\); (c) \(y\ge-4\).

Need help? Join our JC Math tuition classes.

Learn more