-5(2× - 4)=2(x - 8) with work please :)

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

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.