Posted by **Joseph** on Sunday, September 7, 2008 at 8:23pm.

please help me with this problem? I don't know how ro do it. please show me step by step.

Write the slope intercept form the equations of the lines through the given point parallel to the given line and (B) perpendicular to given line.

point slope

((7,-2) m= 1/2

- Pre Calculus -
**bobpursley**, Sunday, September 7, 2008 at 8:27pm
Let me change the problem. Find a line perpenduclar to a line thrue 4,5 and having slope 4

new slope of perpendicular line..-1/4

y=mx + b

5=(-1/4)4 + b

b=6

y=(-1/4)x+ 6 is the equation.

- Pre Calculus -
**Joseph**, Sunday, September 7, 2008 at 8:30pm
thanks now i get it

- Pre Calculus -
**jessica**, Thursday, September 25, 2008 at 12:12am
Lowest terms

4x+12/5x^2 + 21x + 18

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