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linear equations for grade 9 video help?
after failing my linear equations test in grade 9 applied math i need to know how to do these questions can anybody help me with linear equations questions and how to do them with a video, also the rise over run would also be helpful thank you
2 Answers
- Anonymous8 years agoFavorite Answer
follow this link http://answers.ultimatealgebra.com/
Source(s): http://answers.ultimatealgebra.com/ - ?Lv 44 years ago
expensive pal, in the beginning however if it incredibly is a line(first degree equation) it incredibly is written as y+ax+b=0 consequently substituting the two the factors we will have 2 equations y+ax+b=0 at (2,5) and (a million,2) 5+a(2)+b=0....(Equation a million) 5+2a+b=0 b=-5-2a 2+a(a million)+b=0....(Equation 2) Substituing Equation a million in to 2 2+a+(-5-2a)=0 -3-a=0 a=-3....substituing in equation a million b=-5-2(-3) b=a million consequently, substituting a and b interior the equation y+ax+b=0 y+(-3)x+(a million)=0 y-3x+a million=0 or y=3x-a million