How To Plot Quadratic Graphs

This lesson covers:

  1. How to use a table of values to plot a quadratic graph from a quadratic equation

Complete the table below:

(Press 'Continue' to check your answer)

Table showing values of x and y for the quadratic equation y equals x squared plus 2x minus 1

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By sketching a grid like the one below, use the table of values to draw the graph of:

Table of values for plotting the quadratic graph y equals x squared plus 2x minus 1

(Press 'Continue' to check your answer)

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Find a and b to complete the table below for:

Table showing values of x and y for the quadratic equation y equals 2x squared minus x plus 3, with missing values for a and b.


a = , b =

3
18

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By sketching a grid like the one below, use the table of values to draw the graph of:

Table of values for the quadratic equation y equals 2x squared minus x plus 3.

(Press 'Continue' to check your answer)

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2