There are many ways to graph linear equations. One way that will always work it to pick some points, 3 is plenty. Pick and x value, plug it in and then find the y value. You will obtain a set or ordered pairs. Graph these and connect the dots. Voila------------- a line!
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No. In the variable x, alone, it is linear. In the variable y, alone, it is linear. But taken together, in x and y, you have a term which contains xy - that is, a term in which the powers of the unknowns add to 2. So the equation is not linear.
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x plus 37467 is referred to as a linear equation since it can be plotted in the x-y graph.
Yes, a linear equation in t.
This is a linear equation. The value x = -1 is the solution to this equation.