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Write an equation for a line parallel to x+15=5y passing through (0,4)
 7 months ago
 7 months ago
Write an equation for a line parallel to x+15=5y passing through (0,4)
 7 months ago
 7 months ago

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twinkieexpressBest ResponseYou've already chosen the best response.0
first put equation into y=mx+b then use point slope form yy1=m(xx1) m=slope
 7 months ago

ineedyouubiebsBest ResponseYou've already chosen the best response.0
then the expression will look like y4+m(x0)
 7 months ago

ineedyouubiebsBest ResponseYou've already chosen the best response.0
@twinkieexpress ?
 7 months ago

madrockzBest ResponseYou've already chosen the best response.0
slope will be 1/5 as it is parallel to the rrquired eqn.so slopes of oth equations wll be same.
 7 months ago

madrockzBest ResponseYou've already chosen the best response.0
u r given a point (0,4) this will be x1 and y1 in the eqn, (yy1)=slope(xx1) put the values and try it
 7 months ago

ineedyouubiebsBest ResponseYou've already chosen the best response.0
How did you figured out the slope was 1/5?
 7 months ago

eddy1120Best ResponseYou've already chosen the best response.0
First substitute the value to make y positive: y=0.2x3 then use the gradient equation: (yy1)=m(xx1) where m is the slope and the point is (x1,y1) and you will get this: y4=0.2(x0) and after simplifying you get: y=0.2x+4
 7 months ago

eddy1120Best ResponseYou've already chosen the best response.0
because the slope on the x value is 1/5 when the coefficient of y is 1
 7 months ago

ineedyouubiebsBest ResponseYou've already chosen the best response.0
@jim_thompson5910 ?
 7 months ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
what's the slope of x+15=5y
 7 months ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
you need to get the equation into y = mx+b form first
 7 months ago

ineedyouubiebsBest ResponseYou've already chosen the best response.0
is it y=1/5x+15
 7 months ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
close, but no
 7 months ago

ineedyouubiebsBest ResponseYou've already chosen the best response.0
umm can you help me with it, y intercept form was a sucky thing for me
 7 months ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
start with x+15=5y and divide both sides by 5 to isolate y
 7 months ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
what you have is close, but it's a bit off
 7 months ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
hmm how are you getting that?
 7 months ago

ineedyouubiebsBest ResponseYou've already chosen the best response.0
umm im trying to divide andthen divide both sides by 5
 7 months ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
another way to think about it: divide every term by 5 to isolate y
 7 months ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
getting closer
 7 months ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
it should be 1/5x  3 = y
 7 months ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
it should be y = 1/5x  3 but you pretty much have it (ignoring the typo)
 7 months ago

ineedyouubiebsBest ResponseYou've already chosen the best response.0
and whats my next step?
 7 months ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
so what is the slope of y = 1/5x  3
 7 months ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
so the slope of any parallel line to this one is also 1/5
 7 months ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
since parallel lines have equal slopes
 7 months ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
the given point is (0,4) so x = 0 and y = 4  we know that m = 1/5, x = 0, y = 4 plug these 3 pieces of info into y = mx + b and solve for b
 7 months ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
the slope is negative, so it should be y = 1/5x + 4
 7 months ago
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