Let A= (−1,4), B= (3,−4), and C= (2,7). Let p be the line parallel to AB that goes through point C. Let r be the line perpendicular to AB that goes through point C. (a) What is the slope of line p? Write your answer as a fraction or number. Don’t write a decimal.
(b) What is the y intercept of line p? Write your answer as a fraction or number. Don’t write a decimal.
(c) What is the slope of line r? Write your answer as a fraction or number. Don’t write a decimal.
(d) What is the y intercept of line r? Write your answer as a fraction or number. Don’t write a decimal.