anonymous
  • anonymous
There is no solution to the system below. x + 3y = 7 2x + 6y = 9 True False
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
sove the system by your favorite method :)
anonymous
  • anonymous
and then you'll see if there is no solution
anonymous
  • anonymous
I got TRUEEEEEEEEEEEEEEEE

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anonymous
  • anonymous
I dont think so :(
anonymous
  • anonymous
oops:(((
anonymous
  • anonymous
here is another method since this is a simple 2 equations and 2 variables x + 3y = 7 2x + 6y = 9 solve each equation for y y = -(1/3)*x+7/3 y = -(1/3)*x+3/2 as you can see it will be in the y=mx + b form the m aka slopes are the same. which means they dont meet ever. and the bs are different. therefore no solution. When Ms are same and Bs are different.
anonymous
  • anonymous
If you're familiar with determinants, you can calculate \[\begin{vmatrix} 1 & 3 \\ 2 & 6\end{vmatrix} = (1)(6)-(3)(2) = 0,\] so there is no solution.

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