Answer:
More info please
Step-by-step explanation:
This is a false statement.
When you are solving using square roots, you need to be aware that answers can be both positive and negative. When we solve this, you see there are two possible answers.
x^2 - 9 = 0
x^2 = 9
x = +/- 3
While 3 is an answer, so is -3. If we square either of those numbers, we get 9, which will satisfy the equation.
Answer:
Least: 10.5
Greatest: 14.125
Hope that helps!
Step-by-step explanation:
Answer:
5x^2-20x
Step-by-step explanation:
distribute the 5x to the x and the -4
I guess you are asking what is the shape of the cross section.
It will be an ellipse.
