SOLUTION: hi, can you please help me with this? what is the relationship between the lines y=-1/4x+15 (the 1/4 is a fraction, i can't find any other way to express it) and y=4x-17? thank yo

Algebra ->  Linear-equations -> SOLUTION: hi, can you please help me with this? what is the relationship between the lines y=-1/4x+15 (the 1/4 is a fraction, i can't find any other way to express it) and y=4x-17? thank yo      Log On


   

Question 109457This question is from textbook algebra2 with trigonometry
: hi,
can you please help me with this? what is the relationship between the lines y=-1/4x+15 (the 1/4 is a fraction, i can't find any other way to express it) and y=4x-17? thank you so much!! This question is from textbook algebra2 with trigonometry

Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Notice how the slope of the first line m=-1%2F4 and the slope of the second line m=4 multiply to %28-1%2F4%29%284%29=-4%2F4=-1. So this means the two lines are perpendicular.

Notice if we graph y=%28-1%2F4%29x%2B15 and y=4x-17 we can see that the two lines are perpendicular

+graph%28+500%2C+500%2C+-20%2C+20%2C+-20%2C+20%2C+%28-1%2F4%29x%2B15%2C+4x-17%29+