Answer:
this is my 50th time seeing you
Step-by-step explanation:
Answer:
Yes it is
Step-by-step explanation:
y=-9x means that for every x value, the y value decreases by 9, so it is proportional because the value of y decreases the same amount each time. For example, if x=1, y=-9. If x=5, y=-45, and so on.
It will be
(-2)^2+4*(-3)(-3) =40