Label your paper DNA 1 WARM UP…. 1.) WRITE THE FORMULA OF HOW YOU FIND A VERTEX 2.) EXPLAIN HOW YOU USE THIS VERTEX IN MAKING A TABLE OF VALUES 3:25 3:20 3:30 3:40 3:45 3:15 3:35 3:00 2:45 2:40 2:50 2:55 3:05 3:50 3:10 4:00 4:45 4:40 4:50 4:55 5:00 timer 5:00 4:35 4:30 4:05 2:35 4:10 4:15 4:25 4:20 3:55 2:25 0:45 0:40 0:50 0:55 1:05 1:00 0:35 0:30 0:05 0:00 0:10 0:15 0:25 0:20 1:10 1:15 2:00 1:55 2:05 2:10 2:20 2:15 1:50 1:45 1:25 1:20 1:30 1:35 1:40 2:30

Take out HOMEWORK Page 475 : # 11, 13, 15 FINISH THE TABLE OF (5) VALUES VERTEX GOES IN MIDDLE!

ON EVERY PARABOLA Make sure you put arrows on the end of your graph Write the equation next to the parabola Label the vertex and write its coordinates Circle and identify the roots Draw the axis of symmetry and write its equation Does the graph have a maximum or minimum? What is it? Identify the domain and range

Label your paper! Name Date Algebra 1 Period Ch. 9-1 Classwork

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Page 475: # 10, 12, 14 Homework GRAPH THESE PARABOLAS …use yesterday’s DNA For the table of values!!!

Copy then complete the function table using the rule .   1 2 3 4 5 6 7 8 13 6 1 -2 -3 -2 1 6 13 Use your ID card to draw, scale and label a set of axes on your paper! Plot the points from the table onto your graph.

y 7 6 5 4 3 2 1 -2 -3 -4 -5 -6 8 x -9 -8 -7 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 8 9 -1 (4,-3)   1 2 3 4 5 6 7 8 13 6 1 -2 -3 -2 1 6 13 y -7

On your graph Make sure you put arrows on the end of your graph Write the equation next to the parabola Label the vertex and write its coordinates Circle and identify the roots Draw the axis of symmetry and write its equation Does the graph have a maximum or minimum? What is it? Identify the domain and range