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Section 4-3 Reflecting Graphs; Symmetry

Section 4-3 Reflecting Graphs; Symmetry. Objective: To reflect graphs and to use symmetry to sketch graphs. Refer To. Absolute Value key on the calculator Page 131 of your text Activities #1-4. Refer To. Pages 132-133. Look at. Explanation on page 134. Example.

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Section 4-3 Reflecting Graphs; Symmetry

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  1. Section 4-3 Reflecting Graphs; Symmetry • Objective: To reflect graphs and to use symmetry to sketch graphs

  2. Refer To • Absolute Value key on the calculator • Page 131 of your text • Activities #1-4

  3. Refer To • Pages 132-133

  4. Look at • Explanation on page 134

  5. Example • Test each equation to see if its graph has symmetry in: (i) the x-axis, (ii) the y-axis, (iii) the line y = x, and (iv) the origin • x2 + xy = 4 • lxl + lyl = 3

  6. Now check symmetry by graph:

  7. Homework • Due end of class on Friday • Sec 4.3 #1-25 odds

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