http://www.freemathvideos.com In this video you will learn how to solve and graph inequalities. When solving inequalities you will use the same inverse operations as solving equations. The difference will be when you multiply or divide by negative numbers you switch the sign. When then will graphing the solution we will use a number line.

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Subscribe Now: http://www.youtube.com/subscription_center?add_user=ehoweducation Watch More: http://www.youtube.com/ehoweducation Remembering math symbols for inequalities is something that you can do by remembering through Pac-Man. Remember the math symbols for inequalities with help from an experienced mathematics educator in this free video clip. Expert: Marija Kero Filmmaker: Victor Varnado Series Description: Everyday math solutions will come in handy long after we've left the classroom. Get tips on solving math problems with help from an experienced mathematics educator in this free video series.

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Learn the greater than symbol and the less than symbol. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/greater-than-less-than/e/comparing_whole_numbers?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/greater-than-less-than/v/plotting-inequalities-on-a-number-line?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/multistep-word-problems-tut/v/multistep-word-problems-example-3?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Pre-Algebra on Khan Academy: No way, this isn't your run of the mill arithmetic. This is Pre-algebra. You're about to play with the professionals. Think of pre-algebra as a runway. You're the airplane and algebra is your sunny vacation destination. Without the runway you're not going anywhere. Seriously, the foundation for all higher mathematics is laid with many of the concepts that we will introduce to you here: negative numbers, absolute value, factors, multiples, decimals, and fractions to name a few. So buckle up and move your seat into the upright position. We're about to take off! About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content. For free. For everyone. Forever. #YouCanLearnAnything Subscribe to KhanAcademy’s Pre-Algebra channel:: https://www.youtube.com/channel/UCIMlYkATtXOFswVoCZN7nAA?sub_confirmation=1 Subscribe to KhanAcademy: https://www.youtube.com/subscription_center?add_user=khanacademy

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Thanks to all of you who support me on Patreon. You da real mvps! $1 per month helps!! :) https://www.patreon.com/patrickjmt !! Solving Linear Inequalities - Examples are shown of how to solve linear inequalities. For more free math videos, visit http://PatrickJMT.com

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- Video duration : 02:47
- Video uploaded by : MooMoo Math and Science
- Video release date : Sep 11th, 2017

Signs used in Math, Geometry, and Algebra Basic Math Signs 1-10 0:23 asterisk brackets caret cube root division sign / obelus division slash equals sign fourth root horizontal line inequality Symbols used in Math 11-20 0:36 inequality minus - plus minus sign modulo multiplication dot n-th root (radical) not equal sign parentheses per-billion per-mille Basic Math 21-30 0:51 per-million per-trillion percent period plus - minus plus sign power square root strict inequalitystrict inequality times sign Geometry Signs 1-10 1:06 angle arc arcminute arcsecond congruent to degree distance grads line line segment Geometry 11-20 1:11 measured angle parallel perpendicular pi constant radians ray right angle similarity spherical angle triangle Algebra Symbols 1-10 . 1:39 approximately equal approximately equal braces brackets capital pi ceiling brackets closed interval delta discriminant e constant / Euler's number Algebra 11-20 1:57 equal by definition equivalence Euler-Mascheroni constant exclamation mark floor brackets function composition function of x golden ratio

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Including suggesting integers

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MIT grad explains solving inequalities. This video focuses on solving linear inequalities. It shows when to switch the sign of the inequality, if you divide or multiply by a negative number, and is an introduction to how to solve inequalities in algebra. To skip ahead: 1) For a basic example of SOLVING AN INEQUALITY, skip to time 00:34. 2) For when you have to FLIP THE INEQUALITY SIGN when DIVIDING BY A NEGATIVE number, skip to 1:26. 3) For when you need to reverse the inequality symbol because you're MULTIPLYING BY A NEGATIVE number, skip to 2:42. The problems here are multi-step inequalities, or two-step inequalities. Nancy formerly of MathBFF explains the steps. Follow Nancy on Instagram: https://instagram.com/nancypi Twitter: https://twitter.com/nancypi Algebraic equations and inequalities: what is inequality math? What does inequality mean? An inequality is a number sentence that uses an inequality symbol instead of an equality symbol (=), which means it has a greater than sign, less than sign, greater than or equal to sign, or less than or equal to sign, instead of the normal equal sign in an equation. One linear inequality definition is: an inequality that involves a linear algebraic expression and inequality signs. How to find the solution of an inequality algebra problem: 1) A simple, BASIC LINEAR INEQUALITY example you might see on a solving inequalities worksheet or problem set is the expression 2x + 3 [less than or equal to] 11. You can solve for x just like you would for an equality, or normal equation, by trying to get x alone. This is an example of two-step inequalities, or multi-step inequalities. The first step is to subtract the constant 3 from both sides, in order to move it to the right hand side, so that you have 2x [less than or equal to] 8. The second step is to get x alone on the left side by dividing both sides by 2 so that your answer for the inequality is x [less than or equal to] 4. In this case, solving the inequality used the exact same steps you would use to solve an "equal sign" equation. Sometimes the steps are different from solving normal math equations. Solving for x is the same as solving a linear equality (-2x + 3 = 11) except that if you ever have to divide by a negative number or multiply by a negative number while solving for x, you must flip the sign, or switch the direction of your inequality symbol less than becomes greater than, for example). Here are the two cases of inequality problems WHEN YOU NEED TO REVERSE THE SIGN of the inequality because you're multiplying or dividing both sides of the inequality by a negative number: 2) DIVIDING EXAMPLE: For an inequality like -2x + 3 [less than or equal to] 11, after moving the constant 3 to the right side, you will need to divide both sides by negative 2 in order to get x alone on the left side for the solution. WHEN YOU DIVIDE BY A NEGATIVE NUMBER, you need to reverse the direction of the inequality symbol in your expression. In this example, after you divide out -2, you get x [greater than or equal to] -4 (instead of x less than or equal to -4) for the final solution. This example was also a two-step inequality problem. 3) MULTIPLYING EXAMPLE: For examples like (-1/2)x + 4 [greater than] 7, when you've moved the constant to the right side and have the inequality (-1/2)x [greater than] 3, the fastest way to get x alone is to clear the fraction by multiplying both sides by -2. This will cancel the 2 in the denominator and remove the negative sign in front of x on the left side. But WHEN YOU MULTIPLY BY A NEGATIVE, you have to flip the direction of the inequality symbol so that your answer is x [less than] -6 instead of x [greater than] -6. This problem was also a multi-step inequality. Note on inequality rules: you don't have to switch the symbol if you're adding a negative number or subtracting a negative number: switching the inequality sign is only for when you're multiplying or dividing by a negative number. For quadratic inequalities examples, compound inequalities, inequality math, inequality algebra, inequality equations, inequality symbols, inequality notation, and more algebra solver, equation solver, and inequality calculator practice problems that come up on worksheets, as well as more algebra, algebra 2, and college algebra mathematics videos, check out: http://nancypi.com

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Do your students have trouble remembering which symbol is less than and which is greater than? In this video, I give a simple tip to ensure that they never mix them up again. Free resources are available at http://mymathlight.com/. MathLight: Perfect for your students, easy for you.

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Solving Inequalities-Word Problems-6th Grade Math http://www.moomoomathblog.com/2016/02/inequalities-word-problems-5th-6th-math.html Learn the basics of solving word problems that include inequalities. Transcript. Welcome to MooMooMath where we upload a new Math video everyday In this video you will learn how to solve inequality word problems. The key to solving inequality word problem is learning the phrases and the inequality they represent. Let's begin with the symbol for greater than. You may also see it represented as more than or larger than. Greater than or equal to you may see at least not less than,minimum,no less than. For less than you may see, fewer than, and less than. Less than or equal to look for, no more than, at most, not greater than, Is not more than. Let's go ahead and solve some of these inequality word problems. There are at least 8 students who wore their blue shirts today. Let's identify our keywords. at least is your keywords, and I will write it out, and it represents greater than or equal to. I will write the symbol for greater than or equal to. Next I will set it up on the number line. I will make it closed because closed means that the number is included, and remember it is greater than and equal to so it will be closed and drawn like that on the number line. McClure is fewer than 10 miles from Target. McClure is the name of a middle school. The keywords is fewer than, and fewer than represents less. (this is the key phase) What I will do is draw this on the number line and since it is less than it will be an open graph so it will look like this. Let's look at two more. Again the key is looking for the phrases and going from there. The rock weighs more than 8 pounds, but no more than 11 pounds. Key phrases are more than and no more than Those are the key phrases. For more than I know that will be greater than and no more than will be a less than or equal to. On the number line the greater than will be open, and the less than or equal to will be closed, and the number is 11. The number line will look like this. Like anything else it takes practice. I will have a link to more of the phrases on my website and you can look over that and hope that will help. Classes can have no more than 35 students. No more than is less than or equal to which is less than or equal to. On the number line it will be closed because it will include 35, and it will be less than. Sorry you can't see this. Drawn on the number line the 35 is closed, and it is less than. In summary One key to solving inequalities is learning the key phrases, so let's review one more time. Let's begin with the symbol for greater than. You may also see it represented as more than or larger than. Greater than or equal to you may see at least not less than,minimum,no less than. For less than you may see, fewer than, and less than. Less than or equal to look for, no more than, at most, not greater than, Is not more than. Thanks for watching. MooMooMath uploads a new Math video everyday. Please subscribe or share. -~-~~-~~~-~~-~- Please watch: "Study Skills Teacher's Secret Guide to your Best Grades" https://www.youtube.com/watch?v=f3bsg8gaSbw -~-~~-~~~-~~-~-

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