Badly Printed or Am I Missing Something?

[Flicksandtricks810]

any help is appreciated

 

[stapel]

What kinds of transformations have you been given to work with?

(This triangle goes from two units high to three units high, but from one unit wide to two units wide. So obviously that's going to complicate things.)

Thank you!

 

[Ishuda]

any help is appreciated

No, not badly printed. The lines, in point slope form, are
yB(x) = 2 + 2 (x-4)
and
yA(x) = 1 + (3/2) (x-7)

As a hint, suppose we had a line
y1(x) = 1 + 7 (x-13)
and wanted to transform that to
y2(x) = 73 + 14 (x-23)
Thus we have
x = (y2-73)/14 + 23 = (y1-1)/7 + 13
Continue from there to get y2 in terms of y1:
(y2-73)/14 = (y1-1)/7 -10 = (y1-71)/7
y2-73 = 2 (y1-71)
y2 = 2 y1 - 69
So to get from y1 to y2, you first multiply y1 by 2 then subtract 69.


EDIT: Of course that is just one side (the hypotenuse), the other two sides are solved almost by inspection since they are both constant x or constant y lines.

 

[Flicksandtricks810]

What kinds of transformations have you been given to work with?

(This triangle goes from two units high to three units high, but from one unit wide to two units wide. So obviously that's going to complicate things.)

Thank you!

I assumed the transformations I have to do are translation, rotation and enlargement so it's definitely complicated things