SOLUTION: which of the following system of linear equation has an infinite number of solutions? please show work. a. 2x+5y=1, 6x+15y=3 b. x+y=10, x-y=4 c. x+y=10, x-y=16 d. x-2y=8, 2x+7

Question 969604: which of the following system of linear equation has an infinite number of solutions? please show work.
a. 2x+5y=1, 6x+15y=3
b. x+y=10, x-y=4
c. x+y=10, x-y=16
d. x-2y=8, 2x+7y=-16
Answer by erica65404(394) (Show Source): You can put this solution on YOUR website!
Two equations will have an infinite amount of solutions if they are identical to one another.
To find out if they are identical, solve for y.

a) Solve each equation for y...

simplify

These equations are identical so they have an infinite amount of solutions.
The answer is A.
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If you have any questions, email me at ericahigley@yahoo.com
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