Name: ___________________


kwizNET Subscribers, please login to turn off the Ads!
Email us to get an instant 20% discount on highly effective K-12 Math & English kwizNET Programs!

Middle/High School Algebra, Geometry, and Statistics (AGS)
1.9 Proof for Slope (X - axis and Y - axis)

1. Find the slope of X-axis.

X-axis is denoted by the equation y = 0.
Writing the equation y = 0 in the form of y = mx + c.
y = 0(x) + c
The slope of the straight line is the coefficient of x.
The coefficient of x = 0
Therefore, the slope of X-axis is zero.

2. Find the slope of Y-axis.

We know that Y-axis is denoted by the equation x = 0.
Slope-intercept form of the equation y = mx + c.
mx = y - c
x = (y-c)/x
But x = 0
Therefore m =(y-c)/0
But division by zero is not defined.

The slope of Y-axis is not defined.

Directions: Write the equation for x-axis and y-axis and draw the graph. Also find their slopes.
Q 1: In the slope-intercept form of the equaiton y = mx + c, slope is ____

Question 2: This question is available to subscribers only!

Subscription to kwizNET Learning System costs less than $1 per month & offers the following benefits:

  • Unrestricted access to grade appropriate lessons, quizzes, & printable worksheets
  • Instant scoring of online quizzes
  • Progress tracking and award certificates to keep your student motivated
  • Unlimited practice with auto-generated 'WIZ MATH' quizzes
  • Child-friendly website with no advertisements

© 2003-2007 kwizNET Learning System LLC. All rights reserved. This material may not be reproduced, displayed, modified or distributed without the express prior written permission of the copyright holder. For permission, contact
For unlimited printable worksheets & more, go to