Which is the greater quantity?
(a)
(b) 0
(b) is greater
(a) is greater
It is impossible to tell from the information given
(a) and (b) are equal
Consider the line through points and .
(a) The -coordinate of the -intercept of this line
(b) The -coordinate of the -intercept of this line
(a) is greater.
It is impossible to tell from the information given.
(a) and (b) are equal.
(b) is greater.
and 
.
-coordinate of the 
-intercept of this line
-coordinate of the 
-intercept of this line