How to Determine Whether a Number is a Solution to an Equation | Minute Math
In this video we cover how to determine whether a number is a solution to an equation. The steps are as follows...
1. Substitute the number for the variable in the equation. 2. Simplify the expressions on both sides of the equation. 3. Determine whether the resulting equation is true. 3a. If it is true, the number is a solution. 3b. If it is not true, the number is not a solution.
How to solve 9x^2-11=6x using the quadratic formula. We learn how to solve the equation 9x^2-11=6x using the quadratic formula. We learn how to use the quadratic formula to solve an equation. This is a great introduction into quadratic equations where we learn how to solve a quadratic equation using the quadratic formula. This is under the topic of Using the Quadratic Formula with this free online math video lesson. #quadraticformula #solvetheequation #solveusingthequadraticformula #onlinemathlessons #minutemath
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Integrate by Substitution. Evaluate the indefinite integral (3x^5-3)^(3/5)*15x^4 dx. Integrate the indefinite integral (3x^5-3)^(3/5)*15x^4 dx by using Substitution with the Power Rule. We integrate using U-substitution with the power rule. This is a great introduction to Indefinite Integrals and U-substitution. This is under the topic of Indefinite Integration with this free online math video lesson. #integrals #indefiniteintegrals #integration #substitution #usubstitution #calculus #howto #mathhelp #calculushelp #minutemath #lightboard
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In this math video lesson on Distance - Rate - Time Word Problems, I answer the following word problem: An aircraft carrier made a trip to Guam and back. The trip there took three hours, and the trip back took four hours. It averaged 6 km/h on the return trip. Find the average speed of the trip there. #distance #rate #time #wordproblems #algebra1
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Simplify (2k^2+1)^2. In this free online math video lesson on Multiplying Special Case Polynomials we find each product. We find the product of a polynomial and simplify that polynomial. #polynomials #findeachproduct #minutemath
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How to find the discriminant of -10n^2-3n-9=-2n. We learn how to find the discriminant of -10n^2-3n-9=-2n. We learn how to find the discriminant of each quadratic equation and state the number of rational, irrational, and imaginary solutions. This is a great introduction into understanding the discriminant and how to find the discriminant and how many solutions to the equation there will be. This is under the topic of Understanding the Discriminant with this free online math video lesson. #discriminant #thediscriminant #findthediscriminant #onlinemathlessons #minutemath #algebra2
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How to find the discriminant of 2x^2=10x+5. We learn how to find the discriminant of 2x^2=10x+5. We learn how to find the discriminant of each quadratic equation and state the number of rational, irrational, and imaginary solutions. This is a great introduction into understanding the discriminant and how to find the discriminant and how many solutions to the equation there will be. This is under the topic of Understanding the Discriminant with this free online math video lesson. #discriminant #thediscriminant #findthediscriminant #onlinemathlessons #minutemath #algebra2
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In this video we are given a geometry problem where we need to calculate the area of the given circle. Our circle is tangent to two squares that have area of 9 units squared and 4 units squared. The two squares are 2 units apart. What is the area of the circle?
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Integrate by Substitution. Evaluate the indefinite integral -8x^3/((-2x^4+5)^5) dx; u=-2x^4+5. Integrate the indefinite integral -8x^3/((-2x^4+5)^5) dx; u=-2x^4+5 by using Substitution with the Power Rule. We integrate using U-substitution with the power rule. This is a great introduction to Indefinite Integrals and U-substitution. This is under the topic of Indefinite Integration with this free online math video lesson. #integrals #indefiniteintegrals #integration #substitution #usubstitution #calculus #howto #mathhelp #calculushelp #minutemath #lightboard
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MIT is one of the top ranked universities in the world. Can you solve their admission exam question from 1876? It is as follows...A father said to his son, “Two years ago, I was three times ass old as you; but in fourteen years I shall be only twice as old as you." What were the ages of each? #MIT #EntranceExamquestion #minutemath #MITProblem #fathersandsons #examquestion #entranceexam #math #wordproblems #lightboard #mathhelp #mathvideos
Times Stamps:
00:00 - The Problem
00:34 - The Steps
02:50 - The Solution
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