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Make a sign graph of the factors. Do you need me to demonstrate?
I believe the answer would be all real numbers because if any negative numbers are used they would be less than 0, not greater than.
The chart shows that the factor x+16 is negative to the left of -16 and positive to the right.
Do you understand that?
Ok, Walee, balaa wants to take over now. I'll let him explain it to you.
Ok so I don't have to multiply them at all?
Have you got it ?
No, I do understand what is being said but I don't understand how.
Do you want me to explain it ?
Yes, please. I don't multiply those three together?
In this problem you have three factors to multiply and the problem says that if you multiply them the result will be positive. Do you understand that?
Isk that because it has to be > 0?
And no you don't multiply them together.
One of the choices of answers I had was all natural numbers. Would that be correct?
If you multiply 3 numbers and get a positive answer that can only happen in two ways: All three factors are positive OR Exactly 2 factors negative and 1 positive
Ok, maybe you can help me with this one. I need to make this problem into decimal places. The square root of 25/48=T, I am trying to find the hang time of a basketball player from the vertical leap 25 inches, the function is V=48T^2
divide 25 by 48 on your calculator and then hit the square root button
That is not what my calculator just gave me? Do I need to do this problem on a scientific calculator?
No. Perhaps you need to enter it in a different order. Calculators vary. So try this: Push the square root key and then enter (25 divided by 48) equals
I tried it on the scientific calcualtor on my computer and still came up with the same. Can you check your answer for me please?
You can check my answer. Just multiply .721687836 by itself and see if you get the same thing as when you divide 25 by 48
I did on my cell phone calculator and got what you got. This is funny...
Just a smile.