Don't panic! The answer is 42.
But it looks like you did not copy the full question.
X=4 is equivalent to -6+2x
The origin is just (0,0) and we can multiply that slope, -4/3 by any number to get the second point. let's use x=3 to make is simple as possible, the second point is then just (3,-4)
Connect (0,0) to (3,-4) and you have your line :)
Move (-5)^-6 to the numerator
Multiply (-5)^5 and (-5)^-6 by adding the exponents and you would get (-5)^11
Then raise -5 to the 11th power and you would get −48828125
