Show that the lines y=3x+7 and 2y–6x=8 are parallel. Do not use a graphical method.

y=3x+7 2y-6x=8
2y-6x=82y=8+6xy= 4+3xy=3x+4When both equations equal y they both have a 3 in front of their x meaning that they both have a gradient of 3.

JM
Answered by Jordan M. Maths tutor

3107 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Simplify 3!/5!


Simplify 7h + 5k + h - 7k


Factorise x^2+7x+10 to find the roots of the equatino x^2+7x+10=0


Solve x^2 - 7x + 10 = 0


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences