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December 19, 2014

December 19, 2014

Posted by **Kelsey** on Wednesday, May 30, 2012 at 12:43am.

3/5x + 4/5y + 7/5 = 0

-3/5x - 4/5y - 7/5 = 0

-3/5x - 4/5y + 7/5 = 0 ~

3/5x + 4/5y - 7/5 = 0

8.)Write the standard form of the equation of a line for which the length of the normal is 4 and the normal makes an angle of 45° with the positive xaxis.

sqrt2x + sqrt2y +8 = 0

2x + 2y 8 = 0

sqrt2x + sqrt2y -8 = 0 ~

2x + 2y + 8 = 0

9.) Write the standard form of the equation of a line for which the length of the normal is 3 and the normal makes an angle of 135° with the positive xaxis.

sqrt2^x sqrt2y + 6 = 0 ~

sqrt2^x + sqrt2y - 6 = 0

sqrt2^x sqrt2y - 6 = 0

sqrt2^x + sqrt2y + 6 = 0

10.) Find the distance between P (2, 1) and the line with equation x 2y + 4 = 0.

4sqrt5/5

0 ~

-4sqrt5/5

5/4

- Precalculus check answers help! -
**Reiny**, Wednesday, May 30, 2012 at 8:20amI agree with all your answers

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