Posted by **Henry P** on Sunday, May 27, 2012 at 3:55pm.

a) Determine an equation for the line with slope 3 and passing through the origin.

b) What is an equation for the line perpendicular to the line in part a) that also passes through the point (0,2)?

- math -
**Henry**, Monday, May 28, 2012 at 6:58pm
a. Given: m = 3, P(0,0).

Y = mx + b.

0 = 3*0 + b

b = 0.

Eq: Y = 3x.

b. m = -1/3, P(0,2).

Y = mx + b.

2 = (-1/3)*0 + b

b = 2.

Eq: Y = (-1/3)x + 2.

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