SOLUTION: Are these equations linear and,if not, explain. x/2-y=7 G(X)=2/X-3 X=3+y f(x)=7

Algebra ->  Linear-equations -> SOLUTION: Are these equations linear and,if not, explain. x/2-y=7 G(X)=2/X-3 X=3+y f(x)=7      Log On


   

Question 99952: Are these equations linear and,if not, explain.
x/2-y=7
G(X)=2/X-3
X=3+y
f(x)=7
Answer by tutorcecilia(2152) About Me  (Show Source):
You can put this solution on YOUR website!
x/2-y=7 Yes, this is a linear equation. If you were to graph this line, the graph will be a straight line.
Re-writen as y=(1/2)x-7
Graphing:
+graph%28+300%2C+200%2C+-6%2C+25%2C+-10%2C+10%2C+%281%2F2%29x-7%29+
.
G(X)=2/X-3 No, this is not a linear equation. If you were to graph this line, it would not be a straight line
Graphing:
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+2%2Fx-3%29+
.
X=3+y Yes, this is a linear equation. If you were to graph this line, the graph will be a straight line.
Re-write as y=x-3
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+x-3%29+
.
f(x)=7 Yes, this is a linear equation. If you were to graph this line, the graph will be a straight line.
Graphing:
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+7%29+