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1 vote
Rewrite the function by completing the square. 2x^2 - 9x + 7 = 0.

Answer will look like this: (x + ____)^2 = ____
I need the blanks, any help? ​

User Sunny Moon
by
3.6k points

2 Answers

4 votes

Answer:

Explanation:

2x²-9x+7=0

2x²-9x=-7

x²-9/2 x +(-9/4)²=-7+(-9/4)²

(x-9/4)²=-7+81/16=(-112+81)/16=-31/16

(x+(-9/4))²=-31/16

User Dolftax
by
3.2k points
6 votes

Answer:

9=5

Explanation:

User Vincent Decaux
by
4.2k points