Quadratic Functions (Graphing)



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Four steps in sketching your quadratic graph.
Step 1: Determine the shape of the curve "Happy face" or "Sad face" [ a > 0 , a < 0]

Step 2 : Turning point (min. pt. / max. pt)

turning_point.jpg


, find the coordinate .



Step 3: Find x-intercept/s. [ Set y = 0 ]

Step 4 : Find y-intercept. [ Set x = 0]

Example 1:
Picture_7_Example_1.jpg

Solution:
Example_1_Ans_1.jpg

Example_1_Ans_2.jpg
Example_1_Ans_3.jpg

Example 2:
Picture_8_Example_2.jpg

Solution :

Example_2_Ans_1.jpg

Example_2_Ans_2.jpg

Example_2_Ans_3.jpg

Take this quiz to check out your understanding.
3O1
3O2
3V2
Complete Q1, Q2, Q3, Q4 (Assignment 2)
Assignment:
external image msword.png Quadratic Functions Assignment 2revised.doc

Check your sketch with the help of "Geogebra" .

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