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Equation of a Line, Co-ordinate Geometry HELP!

Could someone please solve this for meee..?

The line through P(5,3) intersects the Y-axis at Q.
In this context, 
a) Write down the equation of the line.
b) Predict the co-ordinates of Q.

Posted in Math, asked by Physics_nerd, 6 years ago. 1716 hits.

0

P(5,3)   , Q(0,t)

y=mx+c

where C is y-intercept i.e the point where the line cut y-axis

m=y2-y1/x2-x1

m=t-3/0-5

m=t-3/-5

m>0, m<0, m=0

t-3/-5 = 0

t-3=0

t=3



Q(0,3)

t-3/-5<0

t-3>0

t>3

Q(0,y) where y>3

 

t-3/-5 <0

t-3>0

t>3

Q(0,y) where y>3

 

 

 

Munir Ahmad
Munir Ahmad - 6 years ago
Ask Munir Ahmad for further help.
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