What are the coordinates of each point after the quadrilateral ABCD is reflected across the y axis if the A is 1,1 B is 2,3 C is 4,3 and D is 5,1 person education

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined