3. Which of the following represents an equation? I. 5a II. 2x +3 III. 3y = 6 C. I and II only D. I and III only A. I only B. III only TY 11. tion ofan algebraic inequality?
3. Which of the following represents an equation? I. 5a II. 2x +3 III. 3y = 6
A. I only
B. III only
C. I and II only
D. I and III only
ANSWER
LETTER B
An equationis consists of two expression bounded with an equal sign.
An expressionis a combination of numbers or variable using any operation. There is no any equal sign because it is a mathematical problem, you just need to solve it, to express it in an equation.