- What i wantto execute in this video is think about what it method tohave an the contrary of a number. Let me attract a number line here. Let's attract a number line. And also let's placed some numberson this number line. We have the right to start in ~ zero, and also if us go come the rightwe have actually positive numbers. One, two, three, four, five. As we go to the left weget more and an ext negative. So an unfavorable one, negativetwo, an unfavorable three, negative four, and also I cankeep walking on and also on and on. Let's pick one of these numbers. Let's say that we choose the number three. What is walking to it is in theopposite of the number three? fine the the opposite of thenumber is a number that's the very same distance fromzero yet on the various other side. So three is three to the right of zero. One, two, three. So its the opposite is going tobe 3 to the left the zero. One, two, three. For this reason the the contrary ofthree is an adverse three. Allow me make a tiny table here. If we have actually the number, the number. And then we have its opposite. We have actually its opposite. So we just figured out thatif you have the number three, its the opposite is goingto be negative three. Now what if your number is negative? What if your number, let'ssay the number an adverse four. What's opposing of that? and also I encourage girlfriend to stop the video clip and shot to think about it on your own. Well, friend say, okay, negativefour is right over here. That's an adverse four. It is four to the left of zero. One, two, three, 4 to the left the zero. So its the contrary is walk tobe 4 to the ideal of it. Therefore one, two, three, four. It's walk to it is in positive. It's going come be optimistic four. So you're more than likely startingto watch a pattern here. The contrary of a number is going to be the opposite authorize of that number. If you have actually a positive three here, its the contrary is goingto be negative three. If you begin with an unfavorable four, its opposite is going to be optimistic four. One method to think aboutit, it's walking to have the very same absolute worth buthave a different sign. Or another means to think about it is, yet if this is threeto the best of zero, its opposite is going to bethree come the left that zero. Or if the number is fourto the left the zero, its the opposite is going come befour to the best of zero. So we'll perform one critical one. What is opposing of... What's going to be the the contrary of one? well one is one come the ideal of zero, so its the contrary is walking tobe one to the left the zero, or an unfavorable one. Or another means to thinkabout it, one is hopeful so its the contrary is where you'regoing to change the sign. Rather of being positiveit's walk to be negative. It's going come be an adverse one. Either means that you can think about it.
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