Example: What is the coefficient of 2y? Answer:2 Note: Numerical coefficient is the numeral part in a term.
Example: What is line AD?
chord
arc
radius
Example:
0.253 - 0.215
0.305
0.038
0.142
Example: What is twice the radius?
chord
diameter
circumference
Example: 1, __ , 3, 4, 5; mean=3 Step 1: Let N be the missing number. Step 2: We know, Mean = (Sum of all numbers)/(Number of numbers); Therefore, Sum of all numbers = Mean x Number of numbers → 1 + N + 3 + 4 + 5 = 3 x 5 → N + 13 = 15 → N = 15-13 → N = 2