Question

i need to know how to plot the ordered pairs and to find how many points lie on the x-axis

Answer 1

Given:

The point is:

$(-2,0),(-1,-3),(0,-4),(1,-3),(2,0)$

Find-:

How many points lie on the x-axis

Explanation-:

At x-axis value of y is zero.

$\begin{gathered} \text{ Point }=(x,y) \\ \\ \text{ At x-axis y is zero. }y=0 \\ \\ \text{ Then the point becomes }=(x,0) \end{gathered}$

So, the point on the x-axis is:

$\begin{gathered} =(-2,0) \\ \\ =(2,0) \end{gathered}$

So, the 2 points lie on the x-axis.