How to Plot Quadratic Graph - 2019 WAEC GCE Past Question

This video is the perfect guide to help you know how to graph a quadratic function and find the roots of equations from the graph. If you understand this, you can apply the same principle to solve any quadratic graph problem you come across.

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Watch the full video on the solution to all 13 questions from the 2019 WAEC WASSCE GCE (PC1) Exam here:    • WAEC WASSCE 2019 GCE Nov/Dec MATHEMATICS Exam  

Highlights of the video include:
0:00 Welcome to Davetuts Academy
0:40 Problem statement and analysis
3:07 Restructuring equations to be solved from the graph
7:54 Generating table of values for the quadratic and linear equations
18:00 Scaling the graph sheet for data entry
23:22 Interpolating values for the x and y axes
29:10 Plotting the quadratic graph
30:09 Plotting the Linear graphs for the modified equations
34:58 Finding the roots of the equations
38:12 Subscribe to Davetuts Academy

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