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4-5 Skills Practice Completing the Square Solve each equation by using the Square Root Property. Round to the nearest hundredth if necessary. 1...

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4-5 Skills Practice Completing the Square Solve each equation by using the Square Root Property. Round to the nearest hundredth if necessary. 1.

– 8x + 16 = 1

2.

3.

+ 12x + 36 = 25

4. 4

5.

+ 4x + 4 = 2

6.

– 2x + 1 = 5

7.

– 6x + 9 = 7

8.

+ 16x + 64 = 15

+ 4x + 4 = 1 – 4x + 1 = 9

Find the value of c that makes each trinomial a perfect square. Then write the trinomial as a perfect square. 9.

+ 10x + c

10.

– 14x + c

11.

+ 24x + c

12.

+ 5x + c

13.

– 9x + c

14.

–x+c

Solve each equation by completing the square. 15.

– 13x + 36 = 0

16.

+ 3x = 0

17.

+x–6=0

18.

– 4x – 13 = 0

19. 2

+ 7x – 4 = 0

20. 3

+ 2x – 1 = 0

21.

+ 3x – 6 = 0

22.

–x–3=0

23.

= –11

24.

– 2x + 4 = 0

Chapter 4

32

Glencoe Algebra 2