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# What is a math T-chart?

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A math T-chart is a method used to organize information in two columns in order to solve problems or for graphing equations. In math, a T-chart is very useful for keeping a list of corresponding "x" and "y" when given either a linear or quadratic equation to graph. To make this chart, it is necessary to draw a long T-shape that has two columns.

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At the top of the chart, an "X" and "Y" are placed to represent the values for the variables of an equation, such as the linear equation y = 2x + 6. A student choose values for "x" like 0, 1, 2 and 3 to get corresponding values for "y" of 6, 8,10 and 12. Each value picked for "x" goes under the X column and the corresponding values for "y" go under the Y column. In this manner, the student creates a table of values which can then be plotted.

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## Related Questions

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To write linear equations from word problems, the student must first decide which quantities to assign variables to, and then decide what operations must be performed in order to solve the problem. For example, the unknown variable typically gets an assignation of x, and it must be determined whether addition, subtraction, multiplication, division or a combination of these is required.

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A system of equations is a group of multiple equations solved simultaneously to reach the same or multiple solutions. Many systems of equations can be graphed on a coordinate plane for easy visualization and solving. However, not all systems have solutions, and some have many solutions.

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Solve quadratic equations by graphing, using square roots, factoring, completing the square or using the quadratic formula. Determine the most appropriate method by considering the particular situation.

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To solve an equation in one variable graphically, first manipulate the equation to put it in the form f(x) = 0, where x represents the variable present in the equation. Then use mathematical software, a graphing calculator or graph paper to plot the line y = f(x). The solution to f(x) = 0 is the point or points at which the line crosses the x-axis.