A negative number is a real number that is less than zero. If one of the addends has a negative number, by means of number line, the point will move to the left to the corresponding value of a negative number.
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To do WELL in Algebra 2, you will need to remember part of Algebra 1. However, your teacher should go over part of Algebra 1. I did poorly in Algebra 1, though Algebra 2 now makes sense to me simply because I needed to understand it to understand Algebra 2, and I was able to infer the things that I was unsure of.
The algebra worksheets center on algebra alone. They are great practice for anyone having trouble with this area of math. They are a step by step process making it very easy for anyone to understand.
I don't really think there is a difference, but maybe the difference is that in pre-algebra you learn and practice the basic foudations, like the different steps to solve an equation, and what is a equation, and stuff like that. Begining algebra is where you practice actually solving the easier types of algebra equations.
To get better grades in Algebra 1, you should study more. If you still don't understand or you need more help, find someone that you know will satisfy your longing in knowing the correct way to solve Algebra 1. You can always get a tutor. I know there are some who work for free (no money, no bribes, or physical attraction, etc.). There are online schools that can help you, and there are many that are free, too. I am excellent in many things I do, and luckily math (any type) is one of my specialties.
because it is hard to understand and some people dont realize how important it is in life!