Match each point with one of the following fractions: 5/6, 7/12, 1/8, 5/16

Astudent simplified a rational expression as shown.

A+b= 17, ab=70, find the value of |a-b|

To find the inverse of a number a, one can use the equation f(c) = a-1/c=0 where c is the inverse of a use the secant method of finding roots of equations to find the inverse of a = 2.5 ,er = 0.001%