2 years ago

Which inverse operation would be used to solve n – 7 = 15?

2 answers:

5 0

Addition as 7 is a negative number so to even out the equation you would have to do the opposite which is addition give you an answer that is n=22. What u do to one side you do to another so add 7 on both sides

balu736 [363]2 years ago

3 0

The inverse of subtraction is addition

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3 years ago

Is x + 10 a factor of the function f(x) = x3 − 75x + 250? Explain.

lord [1]

Okay, I worked it out and yes, it is a factor. Once you got x=-10, then you plug it into your formula. from there you can work it out like I did and get the answer. You can also input it into a scientific calcuator and figure it out that way. If you need any more help, go ahead and message me. Hope this helps. You can also but it into the box and divide it that way to find out. whichever way is better for you