You need to provide the points \((t_1, y_1)\) and \((t_2, y_2)\), and this calculator will estimate the appropriate exponential function and will provide its graph. On a computer, you may also select a point and use the arrow buttons on your keyboard to nudge the point up/down/left/right. The calculator will generate a step-by-step explanation on how to obtain the result. In practice, this means substituting the points for y and x in the equation y = ab x. If you know two points that fall on a particular exponential curve, you can define the curve by solving the general exponential function using those points. Find the Exponential Function Given a Point (2,25) To find an exponential function, , containing the point, set in the function to the value of the point, and set to the value of the point. The points will snap to the grid points (with integer x- and y-values). Conic Sections: Parabola and Focus. Free exponential equation calculator - solve exponential equations step-by-step This website uses cookies to ensure you get the best experience. This online calculator can find and plot the equation of a straight line passing through the two points. The procedure is easier if the x-value for one of the points is 0, which means the point is on the y-axis. Study the resulting equation. Solve the equation for . Two point form calculator. Line through two points. Instructions: Use this step-by-step Exponential Function Calculator, to find the function that describe the exponential function that passes through two given points in the plane XY. By using this website, you agree to our Cookie Policy. Visualize the exponential function that passes through two points, which may be dragged within the x-y plane. Conic Sections: Ellipse with Foci example.