How to Evaluate Algebraic Expressions | Evaluate x^2 when x=10 | Part 3 of 6 | Minute Math
In this video we learn how to evaluate algebraic expressions. We are given an algebraic expression and we have to substitute a value in for the variables of the expression. We evaluate x^2 when x=10. #algebraicexpressions #evaluateexpressions #minutemath #algebrahelp #algebra #prealgebra #beginningalgebra #mathhelp #onlinemathvideos #lightboard #math #mathvideos #oer #openeducation #freemathvideos
Solve m^2-12m+26=0 by Completing the Square. Solve the equation by Completing the Square. In this free online math video lesson on Solving Equations by Completing the Square we solve each equation by completing the square. We learn how to solve m^2-12m+26=0 by completing the square. #completingthesquare #solvetheequation #minutemath
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A free math video lesson on Solve Equations using Factoring. This lesson is based on the open education resource College Algebra by OpenStax. This lesson covers Solve Equations using Factoring which is under the section Other Types of Equations in the College Algebra textbook. #oer #collegealgebra #factoring
Other Types of Equations - Part 2 of 5
The Learning Objective of this video is Solve Equations using Factoring.
This video covers the following topics: Solve Equations using Factoring, Solving Equations Using Factoring, POLYNOMIAL EQUATIONS, Solving a Polynomial by Factoring, 5x^4=80x^2, Solve a Polynomial by Grouping, and, x^3+x^2-9x-9=0.
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License:
This video is a derivative of the College Algebra by OpenStax and is licensed under Creative Commons Attribution License v4.0.
https://openstax.org/details/books/college-algebra
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https://www.youtube.com/watch?v=IZ0xV8eL3Dg
In this video we learn how to round whole numbers to a specific value. The steps to rounding whole numbers to a specific value are...
1) Locate the given place value. All digits to the left of that place value do not change unless the digit immediately to the left is 9, in which case it may. (See Step 3.)
2) Underline the digit to the right of the given place value.
Determine if this digit is greater than or equal to 5.
2a) Yes—add 1 to the digit in the given place value. If that digit is 9, replace it with 0 and add 1 to the digit immediately to its left. If that digit is also a 9, repeat.
2b) No—do not change the digit in the given place value.
3) Replace all digits to the right of the given place value with zeros.
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CC Licensed Content, Original
Revision and Adaptation. Provided by: Minute Math. License: CC BY 4.0
CC Licensed Content, Shared Previously
Marecek, L., Anthony-Smith, M., & Mathis, A. H. (2020). Introduction to Whole Numbers. In Prealgebra 2e. OpenStax. https://openstax.org/books/prealgebra-2e/pages/1-1-introduction-to-whole-numbers. License: CC BY 4.0. Access for free at https://openstax.org/books/prealgebra-2e/pages/1-introduction
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https://www.youtube.com/watch?v=Xm2xM-c21Jk
Dive into probability with us as we tackle the problem of selecting a 4-digit PIN without repeated digits. In this tutorial, we explore how to calculate the probability of creating a PIN with no repeated digits. Through a step-by-step explanation, we elucidate the concept of probability and provide a clear understanding of the solution process. Whether you're concerned about PIN security or interested in probability theory, this video offers valuable insights into understanding probabilities in practical scenarios. Join us to deepen your appreciation for probability and its applications in everyday life!
In this video we solve the problem:
A 4-digit PIN number is selected. What is the probability that there are no repeated digits?
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This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Original text from Math in Society by David Lippman.
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Simplify 45x^2/(x-9)*(x^2-5x-36)/(3x^3+12x^2). Simplify the expression. In this free online math video lesson on Multiplying Rational Expressions we simplify each expression. We learn how to simplify 45x^2/(x-9)*(x^2-5x-36)/(3x^3+12x^2). #simplify #rationalexpressions #minutemath
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Average Rate of Change. What is the equation of the secant line of y=-x^2-2; (1 -3) (3/2 -17/4)? We learn how to find the equation of the secant line of y=-x^2-2; (1 -3) (3/2 -17/4). We find the average rate of change of a function given two points and we find the equation of the secant line with the given points on the function. Finding the average rate of change with finding the equation of the secant line that intersects the given points on the function is a great introduction into differentiation and will prepare you for derivatives. This is under the topic of Differentiation with this free online math video lesson. #ratesofchange #averageratesofchange #secantline #differentiation #calculus #calculushelp #minutemath #onlinemathlessons
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Hey there! Welcome to this video. Are you looking to simplify 100^100/50^50 without a calculator? Well, you've come to the right place! In this video, I'm going to show you how to tackle this seemingly impossible math problem with ease. But don't worry, I'm gonna add a bit of humor along the way - that's my specialty! So sit back, relax, and get ready to learn how to simplify 100^100/50^50 without breaking a sweat. Let's get to it!
#minutemath #mathhelp #onlinemathvideos #math #mathvideos #freemathvideos #lightboard #minutemathtricks #mathtricks #vedicmaths #vedicmathstricks #fractions #vedicmath #mentalmaths
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Time Stamps:
00:00 - The Problem
00:17 - The Steps
01:28 - The Answer
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Simplifying Rational Exponents. We learn how to simplify (25b^6)^(-1.5). We learn how to simplify the rational exponents in (25b^6)^(-1.5). This is a great introduction into rational exponents and how to simplify rational exponents. This is under the topic of Radical Functions and Rational Exponents with this free online math video lesson. #simplifyingrationalexponents #rationalexponents #simplify #onlinemathlessons #minutemath #algebra2
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In this video we learn how to Convert a percent to a fraction. We Convert each percent to a fraction. We convert 24.5% and 33 1/3% to a fraction.
The steps we followed on how to convert a percent to a fraction are:
1) Write the percent as a ratio with the denominator 100.
2) Simplify the fraction if possible.
#fraction #decimals #percent #minutemath #algebrahelp #prealgebra #beginningalgebra #mathhelp #onlinemathvideos #math #mathvideos #oer #openeducation #freemathvideos
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CC Licensed Content, Original
Revision and Adaptation. Provided by: Minute Math. License: CC BY 4.0
CC Licensed Content, Shared Previously
Marecek, L., Anthony-Smith, M., & Mathis, A. H. (2020). Use the Language of Algebra. In Prealgebra 2e. OpenStax. https://openstax.org/books/prealgebra-2e/pages/6-1-understand-percent. License: CC BY 4.0. Access for free at https://openstax.org/books/prealgebra-2e/pages/1-introduction
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https://www.youtube.com/watch?v=DA0P2IPSdsg