Identifying Functions using Ordered Pairs

Q.

The $x$-axis is also known as the ______axis

Q.

The horizontal and vertical line in a line graph are usually called __________ and __________.

Q.

The point where the graph of the line meets $x-axis$ is called ______.

Q.

Plot the following points on a graph sheet. Verify if they lie on a line

$P(1,1),Q(2,2),R(3,3),S(4,4)$

Q. A function is defined from set $A$ to set $B$ :
Lucy wants to draw the function on graph, she needs coordinate points in form of ordered pair $(x,y)$ where $x\in A,y\in B$. Here, $\frac{y}{x}$ is .

Q. Two sets are given as
Set$A=\{1,2,3,4,99\}$ and
Set$B=\{2,3,0,1,89\}$
Which of the following collection of ordered pairs represents the function defined from set $A$ to set $B$ ?

1. $\left\{\right(1,2),(1,3),(3,0),(3,89),(4,1),(99,0\left)\right\}$
2. $\left\{\right(1,2),(2,3),(3,0),(4,1),(99,89\left)\right\}$
3. $\left\{\right(1,2),(4,3),(3,0),(4,1),(99,89\left)\right\}$
4. $\left\{\right(1,2),(2,0),(4,1),(99,89\left)\right\}$

Q. Which of the following collection of ordered pair represents Function if collection of first element of ordered pairs is domain of the function?

1. $(6,2),(7,5),(25,19)$
2. $(1,2),(1,5),(2,10)$
3. $(10,0),(11,12),(10,3)$
4. $(3,7),(2,111),(3,19.5)$

Q. A graphical representation of some points is shown as

Which of the following is correct representation of all the points shown in the graph?

1. $(-1.5,-0.5),(1,1),(2,2),(3,-1)$
2. $(-0.5,-1.5),(1,1),(2,2),(-1,3)$
3. Both Correct
4. None

Q. There are four hostels named LV OLD, LV NEW, PV OLD and PV NEW, which are alloted to students of four different Strams as B.A, B.Sc, B.Com and B.Tech respectively.
Above data is represented in ordered pair. Which of the following ordered pair correctly represents the data ?

1. $(LVOLD,B.A),(LVNEW,B.Sc),(PVOLD,B.Com),(PVNEW,B.Tech)$
2. $(LVOLD,B.Sc),(LVNEW,B.A),(PVOLD,B.Tech),(PVNEW,B.Com)$
3. $(LVOLD,B.Tech),(LVNEW,B.Sc),(PVOLD,B.Com),(PVNEW,B.A)$
4. None