Write a formula for the distance from A = (−1, 5) to P = (x, y), and another formula for the distance from P = (x, y) to B = (5, 2). Then write an equation that says that P is equidistant from A and B. Simplify your equation to linear form.
Write a formula for the distance from A = (−1, 5) to P = (x, y), and another formula for the distance from P = (x, y) to B = (5, 2). Then write an equation that says that P is equidistant from A and B. Simplify your equation to linear form.
1. Based on the Pythagorean theorem the distance between the points and is calculated by:
2. You'll get the equation
i) Square both sides of the equation.
ii) Expand the brackets.
iii) Collect like terms - and you're done.