objective: students will solve quadratic equations by completing the square perfect square numbers:...
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Objective: Students will solve quadratic equations by completing the square
Perfect Square Numbers: What are they? Give Examples.
Creating Perfect Square Trinomials Using Algebra Tiles
21. 6x xWhat is missing to build a complete square?
9
Creating Perfect Square Trinomials Using Algebra Tiles
22. 10x xWhat is missing to build a complete square?
25
Creating Perfect Square Trinomials Using Algebra Tiles
23. 8x xWhat is missing to build a complete square?
16
Is there a pattern?
23. ____8x x
21. ____6x x 2 102. ___x x
33
63
63
2 3 3 9
or23 9
5
5
105
2
andand
25 25
9 25
44
48
2
2
4 16 and
16
Work with a partner to create a perfect square trinomial of
.2 12 ____x x
2
2126 36
2
36
What would you do do createa perfect square trinomial ofof x2 + bx + ______ ?
2
2
b
Divide b by 2 and
square it.or
Find the term that should be added to the expression to create a perfect square trinomial
21. 8x x 22. 16x x
23. 16x x 24. 6x x
White Board Practice
25. 10x x 26. 18x x
27. 14x x 28. 4x x
Notes:Factor each perfect square trinomial
21. 10 25x x 22. 16 64x x
23. 6 9x x 24. 12 36x x
White Board Practice:Factor each perfect square trinomial
25. 4 4x x 26. 14 49x x
27. 20 100x x 28. 24 144x x
On your own
21. 26x x 22. 2x x
23. 30 225x x 24. 6 9x x
Add a term…
Factor
Challenge
21. 5x x 22. 9x x
Add a term
Pop Quiz!
Factor
21. 6 9x x 22. 10 25x x
23. 18x xFind the missing term…