Find the mistake, then find the correct answer.line 1   x2 + 6x = -5line 2 x2 + 6x + 9 = -5 + 9line 3   (x + 3)2 = 4line 4 x + 3 = line 5 x + 3 = 2 line 6 x + 3 - 3 = 2 - 3 line 7 x = -1

What will be an ideal response?


line 4 should be:+ 3 = ±
line 5 should be: + 3 = ±2

line 6 should be: + 3 - 3 = ±2 - 3

line 7 should be:
 = -1-5 

Mathematics

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Rectangular coordinates of a point are given. Use a graphing utility in radian mode to find polar coordinates of the point.(6, 8) Express ? to three decimal places.

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Mathematics