Given the points (6,-9) and (4,5)find the slope.
0

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

Write the expression 7x^3-28xy^2 as the product of 3 factors

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.