anonymous
  • anonymous
Is this equation linear in the variables of x and y: (sin2)x-y=14
Linear Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
My answer was yes, anyone please let me know if this is right
jim_thompson5910
  • jim_thompson5910
if the equation is \[\Large \sin(2)*x - y = 14\] then you are correct the sin(2) part is a number, approx 0.034899 so the equation is approximately equivalent to 0.034899x - y = 14. You can place it into y = mx+b form
anonymous
  • anonymous
Okay thank you, I also had another question. Why is 2sinx-y=14 non linear?

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jim_thompson5910
  • jim_thompson5910
because of the sin(x) term if you solve for y, you get y = 2sin(x) - 14 which graphs a curvy/wavy like equation and NOT a straight line. https://www.desmos.com/calculator/6xg8ycssnj
anonymous
  • anonymous
oh okay got it, thank you
jim_thompson5910
  • jim_thompson5910
the big difference is what goes inside the sine function if it's a single number that doesn't change, then you can replace the sine expression with some fixed number that doesn't change but if x or some algebraic expression is inside the sine function, then you'll get that curve and pattern
jim_thompson5910
  • jim_thompson5910
no problem

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