BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

Which of the following, if solved, would yield the set of all real numbers that are exactly 15 units away from -3?

This topic has expert replies
Moderator
Posts: 7187
Joined: Thu Sep 07, 2017 4:43 pm
Followed by:23 members

Timer

00:00

Your Answer

A

B

C

D

E

Global Stats

Which of the following, if solved, would yield the set of all real numbers that are exactly 15 units away from -3?


A. |x + 3| = 15
B. |x - 3| = 15
C. |x - 15| = 3
D. |x + 15| = 3
E. |x + 15| = -3


OA A

Source: Veritas Prep
Source: — Problem Solving |

Legendary Member
Posts: 2525
Joined: Sun Oct 29, 2017 2:04 pm
Followed by:6 members
BTGmoderatorDC wrote:
Sun Mar 27, 2022 3:24 am
Which of the following, if solved, would yield the set of all real numbers that are exactly 15 units away from -3?


A. |x + 3| = 15
B. |x - 3| = 15
C. |x - 15| = 3
D. |x + 15| = 3
E. |x + 15| = -3


OA A

Source: Veritas Prep
\(15\) units away from \(-3 = -3+15=12\) and \(-3-15=-18\)

In A we have
\(x+3=15\)
\(x=12\)

and

\(-x-3=15\)
\(x=-18\)

Therefore, A