Chapter 1 - Tools of Geometry - 1-7 Midpoint and Distance in the Coordinate Plane - Lesson Check - Page 53: 1

$(0.5,5.5)$

Find the midpoint of the x-coordinate. Use the midpoint formula: $M=\frac{x_1+x_2}{2}=\frac{2+(-1)}{2}=\frac{1}{2}=0.5$ Find the midpoint of the y-coordinate. Use the midpoint formula: $M=\frac{y_1+y_2}{2}=\frac{(4+7)}{2}=\frac{11}{2}=5.5$