Directions: Do as indicated. A. Multiple Choice. Encircle the letter of the correct answer. . 1. The standard form of the equation of the line is A. Ax +By = C B. Ax - By = C C. A+B=C D. Ax + By + C 2. The first element of the ordered pair is called A. function B. relation C. abscissa D. ordinate 3. A relation can be presented in A. Arrow Diagram B. Ordered Pairs C. Graph D. all of the above 4. The set of abscissa is called A. range B. domain C. function D. relation 5. The set of ordinate is called A. range B. domain C. function D. relation