Hint: factor

Hint: rewrite as2.

I squared both sides, but it kept getting more and more complicated and really confused me.

Now square both sides.

Yes, your approach is correct. What did you get after substituting? Simplify, and you should have a quadratic equation.3.Determine the coordinates of the intersection points between the line and the circle

I tried substituting the line into the circle equation, but than I didn't know where to go from there.