What is the equation of the a line perpendicular to 8x-7y= -5 that passes through the point (-8,4)

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined

Which graph represents the parent function of y=(x+2)(x-2)

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).