Question

what is abaiccsa of all points on the x- axis

Answer 1

Abcissa is first element of an ordered pair , An abcissa lies on x-axis

Answer 2

abcissa in a odered pair is the first element that is the vakue of the x axis
Here is a example A(2,3)
in the above example 2 is the abcissa as its the value of x axis and 3 is ordinate which denotes y axis
so now a point on axis has a general form of (x,0)
where x is the value on the x axis
HOPE THIS HELPS UU!!!!!!