Which of the following lines is parallel to line x=1.44-3y? a)y=x/6+25 b) x/3-y=2 c) y+x/3=10 d) y=0.48-x/3 e) x/4+3y=1

IMO C D is the same line to what we have been asked to check parallel with

shovan85 wrote:IMO C D is the same line to what we have been asked to check parallel with I don't know i am sleeping or doing what? Not able to figure out such a trick and just keep on blaming the question........ Well thanks for reply.

goyalsau wrote:Which of the following lines is parallel to line x=1.44-3y? a)y=x/6+25 b) x/3-y=2 c) y+x/3=10 d) y=0.48-x/3 e) x/4+3y=1 according to what i know two lines are parallel when their slops are equal so we have to find the slop of the known line x=1.44-3y or 3y=1.44-x thus y=-1/3x+1,44 and since we know the slop is -1/3 so only D makes sense

diebeatsthegmat wrote:goyalsau wrote:Which of the following lines is parallel to line x=1.44-3y? a)y=x/6+25 b) x/3-y=2 c) y+x/3=10 d) y=0.48-x/3 e) x/4+3y=1 according to what i know two lines are parallel when their slops are equal so we have to find the slop of the known line x=1.44-3y or 3y=1.44-x thus y=-1/3x+1,44 and since we know the slop is -1/3 so only D makes sense You are doing the same mistake that i did when i solving it first. x=1.44-3y -------------- (1) Now it can be written as 3y = 1.44 - x y = - x/3 + 1.44/3 y = -x/3 + .48------------ Changed form of the equation that is given in the question Slope of this question is -1/3 Now option C y+x/3=10 --------- ( 2 ) y = - x/3 + 10 Slope of this question is -1/3 Now take option D y=0.48-x/3 slope of this line is -1/3 but the value of C is and this C is y = mx+c ( c = .48 ) Now c is same the value in option D then it can't be parallel , it will just over lap the first line. So the Correct option should Be C.