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The value of y=0.326 when x=7What is an equation?An equation can be compared to a scale on which objects are weighed. When the two pans are filled with the same amount of anything (like grain), the scale will balance and the weights will be considered equal. To keep the scale in balance, if some grain is taken out of one of the balance's pans, an equal amount must be taken out of the other pan. More generally, if the same operation is carried out on both sides of an equation, the equation remains in balance.The two primary families of equations studied in algebra are the polynomial equations and the specific case of linear equations. Polynomial equations have the form P(x) = 0, where P is a polynomial, while linear equations have the form ax + b = 0, where a and b are parameters, when there is only one variable. One employs algorithmic or geometric methods that come from linear algebra or mathematical analysis to solve equations from either family. Diophantine equations with integer coefficients and solutions are also studied in algebra. Different methods are employed, and they are drawn from number theory. These equations are challenging in general; one frequently looks only to determine whether a solution exists or not, and if so, to determine how many.Equations are used to describe geometric figures in Cartesian geometry. The goal has changed because the equations being considered, such as implicit equations or parametric equations, have an endless number of solutions.y = k/x²-4 = k/(-2)²k = -4(4)=-16y = -16/x²x=7, theny= -16/49y=0.326To know more about equation, visit:https://brainly.com/question/10413253#SPJ1
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