Answer:
intersection point (-2,5)
Step-by-step explanation:
the line y = - 5 / 2 x you do the reciprocal which gets you x = -2 y = 5
No because it would be
if you knew that
ax^2+bx+c was a trinomial square, then the factored form would be

or

so
if w^2-9w+81 is perfect square, factored form is either

or

aka

or
expand them
(x+9)^2=x^2+18x+81, wron middle term
(x-9)^2=x^2-18x+81 wrong
so it is not
Answer:
150
Step-by-step explanation:
Because I looked it up
Answer:
x=9
Step-by-step explanation: