Negative plus negative12/22/2023 This reads negative three plus negative 2. Scott at also has put together a handy video on how to create a cheat sheet for multiplying negative and positive numbers (scroll down the page and you’ll find the video). What is a negative plus a negative When you are adding a negative number to a negative number, it becomes subtraction, where you start from a negative point on the numbers line and move left. If you’re still confused over why a negative number times a negative number makes a positive number, Diana Brown at the Department of Mathematics, the University of Georgia, explains it in many different ways in this article. Here’s the overall rule to remember when multiplying positive and negative numbers: 2 x -4 are both negative, so we know the answer is going to be positive. If you look at it on the number line, walking backwards while facing in the negative direction, you move in the positive direction.įor example. If you happen to be like many women and keep the test around to look at later, you may notice that after that. When does the pregnancy test positive line shows up later So you may take a pregnancy test and read it within the above time period as negative. Two negatives make a positive, so a negative number times a negative number makes a positive number. But a positive pregnancy test and negative result a week later need medical attention. Rule 3: A negative number times a negative number, equals a positive number. It doesn’t matter which order the positive and negative numbers are in that you are multiplying, the answer is always a negative number.įor example: -2 x 4, which in essence is the same as -2 + (-2) + (-2) + (-2)Īnd as we said, if it’s the other way around 4 x -2, the answer is still the same: -8. When you multiply a negative number to a positive number, your answer is a negative number. Rule 2: A negative number times a positive number equals a negative number. 5 is a positive number, 3 is a positive number and multiplying equals a positive number: 15. This is the multiplication you have been doing all along, positive numbers times positive numbers equal positive numbers.įor example, 5 x 3 = 15. There are only three rules to remember: Rule 1: A positive number times a positive number equals a positive number. “ Acinetobacter in Healthcare Settings.” Centers for Disease Control and Prevention.There are less rules when multiplying positive and negative numbers than in adding and subtracting positive and negative numbers. “ Haemophilus influenzae serotype f endocarditis and septic arthritis.” IDCases, vol. “ Molecular pathogenesis of infections caused by Moraxella catarrhalis in children.” Swiss Medical Weekly, 29 Oct. “ Gonorrhea - CDC Fact Sheet (Detailed Version).” Centers for Disease Control and Prevention.īernhard, Sara, et al. “ Pathogenesis of Meningococcemia.” Cold Spring Harbor Perspectives in Medicine, vol. We dont need no education - 'Another Brick in the Wall, Part 2,' Pink Floyd. I wasnt looking for nobody when you looked my way - 'Dont Stop the Music,' Rihanna. I cant get no satisfaction - 'Satisfaction,' The Rolling Stones. “ Endotoxin Elimination in Patients with Septic Shock: An Observation Study.” Archivum Immunologiae Et Therapiae Experimentalis, vol. Here are some well-known lines in popular songs with double negative examples. “ Group A Streptococcal (GAS) Disease.” Centers for Disease Control and Prevention.Īdamik, Barbara, et al. “ Methicillin-Resistant Staphylococcus Aureus (MRSA).” Centers for Disease Control and Prevention. Ive seen a lot of people say their blood results were negative but had a positive. While waiting, Ive done more 'googling', which I know I should probably just wait to talk to the doctors, but my curiosity has the best of me. “ Bacterial Biofilm Formation on Implantable Devices and Approaches to Its Treatment and Prevention.” Heliyon, vol. The labs they ran were my sed rate, c-reactive protein, tTG IGA, and IGA serum.
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