WebOct 17, 2015 · 1 Answer. One way to picture this is to imagine a number line. Then rotate it 180 ∘. Each number will now be superimposed over its negative: − 1 will be where + 1 was; + 2 will be where − 2 was. Rotation of the number line by 180 ∘ is the equivalent of multiplying by − 1. Now do the rotation twice. The number line is unchanged. WebIt is headed in the positive direction. Now, multiply it by -1, which makes it a -5, and is headed in the negative, or opposide, direction. Now multiply it by another -1, which makes it 5. Now it is headed in the positive direction. So, multiplying two negatives is just like turning around twice, puting you where you started, in the positive ...
Proof that Product of Two Negative Numbers is Positive
WebSep 22, 2024 · A longstanding challenge for accurate sensing of biomolecules such as proteins concerns specifically detecting a target analyte in a complex sample (e.g., food) without suffering from nonspecific binding or interactions from the target itself or other analytes present in the sample. Every sensor suffers from this fundamental drawback, … WebMar 22, 2010 · Best Answer. Copy. Yes two negatives do make a positive if you multiply. Wiki User. ∙ 2010-03-22 20:56:39. This answer is: elm recycling gmbh \\u0026 co. kg
In algebra do two negatives always equal a positive? : r/learnmath - Reddit
WebAug 24, 2007 · As with multiplication, the rules for dividing integers follow the same positive/negative guide. Dividing two negatives or two positives … WebJul 26, 2024 · When you're adding two numbers together and they have the same sign (two positive or two negative numbers), add the numbers and keep the sign. For example: 1 + 1 … WebMar 31, 2024 · Rule 3: Subtracting a negative number from a negative number – a minus sign followed by a negative sign, turns the two signs into a plus sign. So, instead of subtracting a negative, you are adding a positive. Basically, – (-4) becomes +4, and then you add the numbers. On the number line, it starts at -2. ford extended warranty cost chart