Section 5 Category 32Example 1 - mental mathCalculation of midpoint formula can be done by mental math: (6-2)/2 =2. Since the value of x is small, the calculation for y can also be done by mental math: (-4)(4) = -16.

Example 1 - mental mathCalculation of midpoint formula can be done by mental math: (6-2)/2 =2. Since the value of x is small, the calculation for y can also be done by mental math: (-4)(4) = -16.