Posted by Esther on Wednesday, January 26, 2011 at 10:39pm.
write an equation of the line containing the given point and perpendicular to the given line (6,7);6x+=9
I am having a terrible time figuring out the last part. I would appreciate any help. Thank you.

Algebra 1  helper, Wednesday, January 26, 2011 at 10:45pm
Your equation is not complete.
6x + = 9?

Algebra 1  Esther, Wednesday, January 26, 2011 at 10:50pm
Sorry, I'm stressing badly. The equation is (6,7);6x+y=9. Thank you kindly.

Algebra 1  helper, Wednesday, January 26, 2011 at 10:56pm
(6,7);6x+y=9.
y = mx + b
6x + y = 9
y = 6x + 9
m = 6
m1*m2 = 1
6*m2 = 1
m2 = 1/6
So, the slope of the perpendicular line is 1/6.
y = 1/6 x + b
Now find b with point (6,7).
y = 1/6 x + b
7 = 1/6 (6) + b
7 = 6/6 + b
7 = 1 + b
b = 6
y = 1/6 x + b
y = 1/6 x + 6

Algebra 1  stefanie, Thursday, January 27, 2011 at 3:10am
Was ist der dritte Teil von x?

Algebra 1  Anonymous, Thursday, January 27, 2011 at 8:22pm
Stefanie, I need to turn in my homework today and i still need to solve this problem, can you please help me?(4,8); 2x+5y=4
Thank you for your understanding.
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