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Systems of Equations Word Problems
By yourteachermathhelp
For a complete lesson on systems of equations word problems, go to http://www.yourteacher.com - 1000+ online math lessons featuring a personal math teacher inside every lesson! In this lesson, students learn to solve number and value word problems using a system of linear equations, as demonstrated in the following problem. Rodolfo has a total of 17 dimes and quarters worth $3.05. How many of each coin does he have? The two variables used in this problem are d, number of dimes, and q, number of quarters. Since Rodolfo has a total 17 dimes and quarters, one equation is d + q = 17. Since the value of his coins is $3.05, the other equation is 10d + 25q = 305. Note that since d represents the number of dimes, 10d represents the value of the dimes. And since q represents the number of quarters, 25q represents the value of the quarters.
Solving a Geometry Word Problem by Using Quadratic Equations - Example 1
By PatrickJMT
Solving a Geometry Word Problem by Using Quadratic Equations - Example 1
DEPRECATED Systems of equations word problems
By Khan Academy
Sal solves a word problem about the price of apples and oranges by creating a system of equations and solving it.
Maximum and Minimum Value Word Problems - Quadratic Equations
By The Organic Chemistry Tutor
This algebra video tutorial explains how to solve word problems that asks you to calculate the maximum value of a function or the minimum value of a quadratic equation. The first problem asks you to determine the number of items a company must produce / sell to maximize the profit. The second question asks you to determine how long it takes for a ball to reach its maximum height as well as determine the maximum height. This is a typical projectile motion problem found in physics.
Systems of equations word problems example 1 | Algebra I
By Khan Academy
U06_L1_T3_we1 Solving systems by elimination. All Khan Academy content is available for free at www.khanacademy.org
Volume word problems with cones, cylinders, and spheres
By Khan Academy
Volume word problems with cones, cylinders, and spheres
Volume word problems with cones, cylinders, and spheres
By Khan Academy
Finding the volume and surface area of a cylinder
Systems of linear equations word problems
By Khan Academy
Sal solves a word problem about distances walking and riding bus to school, by creating a system of equations and solving it.
Systems of linear equations word problems
By Khan Academy
Sal answers a word problem about a toy factory and finds that it has no solution.
Systems of linear equations word problems
By Khan Academy
Sal answers a word problem about a vegetable farmer and finds that it has infinite solutions.
2.3 Quadratic Equations in One Variable Part 1
By Tammy B
Solve quadratic equations in one variable.
Systems of equations word problems example 3 | Algebra I | Khan Academy
By Khan Academy
Khan Academy presents Substitution Method 3, an educational video resource on math.
Systems of linear inequalities word problems
By Khan Academy
Sal is given a system of linear inequalities that models a context about making chairs and tables, and answers a question about the solution set of the system in terms of the context.
Interpreting linear tables word problems
By Khan Academy
Sal finds the y-intercept and the slope of a linear relationship representing someone climbing a volcano. He then interprets what the y-intercept and the slope mean in that context.
[4.OA.3-1.0] Multi-step Word Problems - Common Core Standard
By Freckle education
Solve multistep word problems posed with whole numbers and having whole-number answers using the four operations
Interpreting linear tables word problems example 1 | Algebra I | Khan Academy
By Khan Academy
This video lecture series on Worked Examples in Algebra from Khan Academy includes Solving Equations, Solving Word Problems, Solving for a variable, Absolute Value and Number Lines, Patterns in Sequences, Functional Relationships, Domain and Range, Rate Problems, Linear Functions, Slope of a Line, X and Y intercepts, Equation of a Line, Parallel Lines, Perpendicular Lines, Solving Inequalities and more...