Ineed to rotate this 180 degrees about the origin and list the new coordinates.

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

Solve the equation by completing the square. x^2+2x=17

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)