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Sophia.13
Group Title
• When should you solve a system of equations by graphing?
• When should you solve a system of equations by elimination?
• When should you solve a system of equations by substitution?
 one year ago
 one year ago
Sophia.13 Group Title
• When should you solve a system of equations by graphing? • When should you solve a system of equations by elimination? • When should you solve a system of equations by substitution?
 one year ago
 one year ago

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campbell_st Group TitleBest ResponseYou've already chosen the best response.0
If you are looking at linear equations it really its at your choice... you can solve any system of equations by any of the methods... quadratic or higher and a linear, I use substitution most of the time... but again, this can be done graphically you can solve any equation graphically e.g. x + 3 = 5 just graph y = x + 3 and y = 5... it will show you x = 2
 one year ago

incomplte Group TitleBest ResponseYou've already chosen the best response.0
Depends on what the question looks like. Elimination is usually the easiest, but it gets tricky sometimes. I only use graphing as a last option and professor dont usually ask this
 one year ago

Sophia.13 Group TitleBest ResponseYou've already chosen the best response.0
Those wt really know how to answer them. asked me , i dont really know how to answer them each individually
 one year ago

Hero Group TitleBest ResponseYou've already chosen the best response.1
If you're given: `x` = 3 + y 2x + 5y = 7 Use `substitution` since in this case, x is isolated and you can substitute the expression for x in the first equation into the second equation. However if you're given: x `+ 2y` = 4 3x ` 2y` = 5 Use `elimination` since you can simply add both equations together to get rid of the y variable.
 one year ago

Hero Group TitleBest ResponseYou've already chosen the best response.1
If given `y` = 2x  3 `y` = 5x  4 Then use `graphing` since both equations are in the form y = mx + b. You can simply enter both equations into your graphing calculator to find the (x,y) intersection point.
 one year ago

Sophia.13 Group TitleBest ResponseYou've already chosen the best response.0
Thank you.
 one year ago
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