Find the point(s) of intersection of the graphs of the equations. x = 73 − y2 y = x − 1   A point of intersection of the graphs of two equations is a point that satisfies both the equations. You can find the point(s) of intersection of the graphs of the given equations by solving their equations simultaneously. Solve the first equation for  y2. x  =  73 − y2          =  y2

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Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.