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# 4.7 complete the square

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### 4.7 complete the square

1. 1. Solve Equations by Finding Square Roots
2. 2. Solve by Finding the Square Root 2 6 9 16x x     2 3 16x   3 4x    3 4x    3 4, 3 4x      1, 7x  
3. 3. 2 14 49 48x x     2 7 48x   7 4 3x    7 4 3x  
4. 4. 2 12 11x x     2 6 25x   6 5x    Create a Perfect Square Trinomial 2 2 b      2 12 2          2 6  36 2 362 1 361 1x x   2 12 36 25x x   6 5x   11, 1x 
5. 5. 2 4 6x x  2 2 b      2 4 2          2 2 4 2 6 44 4x x      2 2 10x   2 10x    2 10x   
6. 6. 2 16 12 22x x    2 2 b      2 16 2          2 8 64 2 646 3 641 4x x     2 8 30x   8 30x    8 30x    2 16 34x x  
7. 7. 2 2 20 24x x   2 2 b      2 10 2          2 5  25 2 250 1 251 2x x     2 5 13x   5 13x    5 13x   2 10 12x x  
8. 8. 2 14 61x x  2 2 b      2 14 2          2 7 49 2 494 6 491 1x x     2 7 12x    7 12x     7 2 3x i  
9. 9. p. 288 # 3 - 9, 25 - 28, 34 - 38