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Well I'm a design engineer and I use them all the time.
If I know a few values that are true for say, power versus cost for an car engine, then I can make sensible estimates for the cost of more powerful car engine that hasn't been built yet. Equally I could use graph equations to get the answers for the power I could expect from a cheaper engine.
That's obviously just one of millions of possible applications to graph equations. You use them in Engineering, Design, Accountancy, Business, IT, Marketing, Banking, in Medicine, and in daily life for anything if you know how - take an iPhone for example, it works out how much battery it has left using a graph equation. An engineer built that into it.
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How can you use a graph to solve systems of equations?
You can use a graph to solve systems of equations by plotting the two equations to see where they intersect
Graph mathematical equations?
You can.
How we solve equations of motion by graph?
One can solve equations of motion by graph by taking readings of the point of interception.
You want a graph to solve equations?
No, thank you.
Compare the symbolic method for solving linear equations to the methods of using a table or graph?
Equations = the method
The graph of a system of equations with the same slope and the same y intercepts will have no solution?
The statement - The graph of a system of equations with the same slope and the same y intercepts will have no solution is True
How do you graph on a ti-84 calculator?
Press Y= to see the equations. Enter and equation in, using x as the variable. (Press X,T,θ,n for an x.) Enter an equation and press GRAPH to see it. (If you need to graph parametric, polar, or sequential equations, press MODE and select the graph type you need. Select FUNC for normal y= equations.)
How do i graph two equations when both are in y equals?
You graph each of them separately, on the same coordinate plane.
Is this statement true or false A system of linear equations is a set of two or more equations with the same variables and the graph of each equation is a line?
The statement "A system of linear equations is a set of two or more equations with the same variables and the graph of each equation is a line" is true.
Is The graph of a system of equations with the same slope will have no solutions?
Yes.
What are two ways to verify that your solutions are correct?
Graph the equations and see where they meet. Substitute back into both equations
What equations will have a graph with a slope of negative 3?
That will depend on what equations but in general if it has a slope of -3 then it will have a down hill slope
