What is the x-intercept of the equation. Write you answer as an ordered pair. 3x−4y=15

There is a line with slope 1/a going through the point (a, a²). find the equation of the line perpendicular to this line at this point. (don’t let this problem intimidate you! solve the problem as you would if i’d given you specific values. just use variables instead.)

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