7. a) Write an equation that describes the
number of triangles needed to build
each figure in this pattern.
ΔΝΤ Α
7
5

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c

need more info

step-by-step explanation:

what do you mean by "representation"? graph? table? etc.

52 \43 i don't know this i tried