GRE Math : Number Line

Study concepts, example questions & explanations for GRE Math

varsity tutors app store varsity tutors android store varsity tutors amazon store varsity tutors ibooks store

Example Questions

2 Next →

Example Question #1 : Graphing An Inequality With A Number Line

Numberline2

Which of the statements is always true?

Possible Answers:

Correct answer:

Explanation:

Although C may approach zero for large values of  and values of , it will never actually reach it for real values.

A and B, however, have x and y values which make them false:

For  A, an example is 

For B,  would make the value zero.

Example Question #1 : Graphing An Inequality With A Number Line

Which of the following is a graph for the values of  defined by the inequality stated above?

Possible Answers:

Ineq15

Ineq11

Ineq13

Ineq12

Ineq14

Correct answer:

Ineq11

Explanation:

Begin by solving for :

Now, this is represented by drawing an open circle at 6 and graphing upward to infinity:

Ineq11

2 Next →

Tired of practice problems?

Try live online GRE prep today.

1-on-1 Tutoring
Live Online Class
1-on-1 + Class
Learning Tools by Varsity Tutors