1) it is a set of all coordinate/ x-coordinates/ values of x.
2) the number is ____ when its denominator is zero.
3) the number is ____ when the number under the square root '√" is negative.
4) it is a set of all second coordinates/ y-coordinates/ ordinates/ values of y.
5) a special type of relation in which every day element in the domain is mapped to exactly one element in the range.
6) it defines the ralationship between sets of value of ordered pairs.
7) a pair of number having a significant order a representation of a point in the form of (x,y).
8) a relation between sets in which each member of the other.
9) it is a mathematical statement that makes use of inequality symbols such ⩽, ⩾, <, >.
10) it is a method used to determine if a graph shows a function or not.

- choices
a. undefined
b. range
c. function
d. domain
e. imaginary
f. ralation
g. linear inequality
h. vertical line test
i. ordered pair
j. test point
k. correspondence

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