RealiseNothing
what is that?It is Cowpea
If you equate them and let them be equal to each other it implies they have the same y-values.#400th post
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Which implies the distance 'd' is always equal to 0.
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If you equate them and let them be equal to each other it implies they have the same y-values.#400th post
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Thanks.2a) Find equation of AB. Sub in (-2,1), then make b the subject.
Then how would one do it?If you equate them and let them be equal to each other it implies they have the same y-values.
Which implies the distance 'd' is always equal to 0.
Thanks heaps....Q1
a) Y is directly below X, so to find distance XY, just get top point minus bottom point (y-values) (XY is a vertical distance)
Before this is all done, tell me what point X and Y are
b) Calculus
Q2
a) U can do this, use what they gave u, the point (-1,2) lies on AB --> what does this mean...?
b) To find 2 unknowns, u need 2 equations. Make another equation with 'a' and 'b' (i.e. a relation between a and b) somehow...
If (-1,2) lies on the line AB, what else can u deduce besides that (-1,2) satisfies eqn AB? (it'll be helpful if you can produce a diagram to inspect)