D) y=-2x^2-x is quadratic, when graphed it will create a parabola.
Real answer
48
*26
------
1,248
Estimate
50
*25
------
1,250
So the answer is..
Estimating is helpful because it makes sure you answered correctly. No, this answer is incorrect and if he had done the estimate he could have seen how he was wrong.
Logbase11(121)=2. The base of the log to the power of y (outside number) = the number in the parenthesis (x).
