All calculators have been tested to work with the latest Chrome, Firefox, and Safari web browsers (all are free to download). So technically the problem as stated is unanswerable. Click the ? Note that the Help and Tools panel will be hidden when the calculator is too wide to fit both on the screen. The east west axis is called as the x axis and north south axis is called as y axis. You can clear this field if you're not comfortable sharing it and/or if the calculator is working properly for you. Move the slider to left and right to adjust the calculator width. If you gave the calculator less than "A", please help me improve the calculator by telling me what I would need to do for it to earn an "A". Calculating a confidence interval involves determining the sample mean, X̄, and the population standard deviation, σ, if possible. I promise not to share your email address with anyone, and will only use it to send the monthly update. Since -9 + 1 is equal to - 8 and -8 divided by 2 does equal to -4 which does match up with the y coordinate from the midpoint M and we can say that the value of … Method #2: Substitue the known points into the midpoint formula and solve the two linear equations. This gives you a missing endpoint of (3 , 6). You may use my email to send me "What's New" monthly update. If the calculator is not working for you, this information will help me to find and fix the problem. We can achieve this by finding the midpoint. To save changes to previously saved entries, simply tap the Save button. Subtract 4 from both sides of the equation to get y2 by itself. If it's not filled in, please enter the title of the calculator as listed at the top of the page. If you grade the calculator less than A, please tell me what I would need to do to the calculator to get an A. Add 1 to both sides of the equation to get x2 by itself. Plus, the calculator also shows the step-by-step solution by substituting the known values into the midpoint formula and solving the linear equations. This will insure you'll always know what I've been up to and where you can find me! To do so, we need to know the center. Who knows if I will show up in your next search. If the tools panel becomes "Unstuck" on its own, try clicking "Unstick" and then "Stick" to re-stick the panel. Please select and "Clear" any data records you no longer need. This unknown endpoint calculator will find the missing endpoint from the midpoint and the known endpoint. Enter any of the three coordinates X1, X2, Y1, Y2 in the Missing coordinate calculator, click calculate to find the missing coordinate number. The values can be in the form of a decimal or a whole number. Calculate a missing endpoint from midpoint and other endpoint, and see the step-by-step solution and a graph of the results. Enter the X and Y values of the midpoint. Note: If the calculator did not calculate a result, please let me know whether you are using a Mac or Windows computer, and which web browser and version number you are using. If no data record is selected, or you have no entries stored for this calculator, the line will display "None". If you want to calculate the midpoint this way, you can use this distance between points calculator and divide the final answer by 2. Tap the "Calculate Missing Endpoint" button and scroll down to view the results. For example, if the starting endpoint is (-1, 4) and the midpoint is (1, 5), you would need to move 2 x-values to the right to get to the x-midpoint and 1 y-value up to get the y-midpoint. If the calculator didn't work at all, please try downloading the latest version of Google Chrome or Firefox. -Dan, Your Feedback Would Be Greatly Appreciated.