My Math Forum  

Go Back   My Math Forum > High School Math Forum > Algebra

Algebra Pre-Algebra and Basic Algebra Math Forum


Reply
 
LinkBack Thread Tools Display Modes
May 4th, 2017, 04:35 PM   #1
Newbie
 
Joined: May 2017
From: US

Posts: 3
Thanks: 0

College Level Placement Pretest

Which of the following equations is a line parallel to the graph of x-5y=8 ?

a. x+5y=8
b. 5x-y=8
c. 2x+10y=8
d. 2x-10y=8
e. 10x-2y=8

Can someone please explain to me why the answer is D?
And show the work step by step; I would appreciate it.

Last edited by skipjack; May 5th, 2017 at 01:13 AM.
Gurbanishvili is offline  
 
May 4th, 2017, 04:45 PM   #2
Math Team
 
Joined: Oct 2011
From: Ottawa Ontario, Canada

Posts: 10,453
Thanks: 693

Rewrite both in y = mx + b format.
Denis is offline  
May 4th, 2017, 07:50 PM   #3
Member
 
Joined: Feb 2015
From: Southwest

Posts: 96
Thanks: 24

Look for identical slope, lines that are parallel have same slope (m).
phrack999 is offline  
Reply

  My Math Forum > High School Math Forum > Algebra

Tags
college, level, placement, pretest



Thread Tools
Display Modes


Similar Threads
Thread Thread Starter Forum Replies Last Post
College Level Placement Pretest Gurbanishvili New Users 2 May 5th, 2017 01:50 AM
Is this highschool or college level math? Zman15 Algebra 2 April 28th, 2015 01:06 PM
Calculator for A-Level / College Maths mikeinitaly Math Software 1 January 9th, 2015 07:50 AM
Set placement mobel Applied Math 2 January 30th, 2014 10:16 AM
Geometry Pretest Darklon Geometry 7 December 16th, 2011 07:25 AM





Copyright © 2017 My Math Forum. All rights reserved.