(already started it me finish it)

For the equations below which statement is true ? -2x=14 6x=-42

One integer is 8 times another. if the product is 72, then find the integers

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.