In: y^2 + 6y - 9, where y = -9,
Is the answer 16 + 6y or 6y + 16, or does the order not matter?
If y = -5, then
y^2 + 6y - 9 = (-5)^2 + 6(-5) - 9 = 25-30-9 = -14
I put the wrong number but y = -5, but I understand now, either way thank you!
To find the answer, we need to substitute the value of y into the expression.
Given: y = -9
Substituting the value of y into the expression:
y^2 + 6y - 9 = (-9)^2 + 6(-9) - 9
Simplifying the expression:
=(-9 * -9) + (-54) - 9
= 81 - 54 - 9
= 27 - 9
= 18
So, the answer is 18.
As for the order of terms in the expression, it does not matter in this case. The expression could be written as 6y + 16 or 16 + 6y; both these forms convey the same information and will yield the same result.