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Determine if the following system of equations has no solutions, infinitely many solutions or exactly one solution.

{:[x+6y=-6],[2x+13 y=-10]:}
No Solutions
Infinitely Many Solutions
One Solution

Determine if the following system of equations has no solutions, infinitely many solutions or exactly one solution.\newlinex+6yamp;=62x+13yamp;=10 \begin{aligned} x+6 y & =-6 \\ 2 x+13 y & =-10 \end{aligned} \newlineNo Solutions\newlineInfinitely Many Solutions\newlineOne Solution

Full solution

Q. Determine if the following system of equations has no solutions, infinitely many solutions or exactly one solution.\newlinex+6y=62x+13y=10 \begin{aligned} x+6 y & =-6 \\ 2 x+13 y & =-10 \end{aligned} \newlineNo Solutions\newlineInfinitely Many Solutions\newlineOne Solution
  1. Analyze Equations: Analyze the system of equations to determine the relationship between the two equations.\newlineWe have the system:\newline11) x+6y=6x + 6y = -6\newline22) 2x+13y=102x + 13y = -10\newlineWe will use the method of coefficients to compare the ratios of the coefficients of xx, yy, and the constants to determine if the lines are parallel, the same, or intersecting.
  2. Calculate Ratio of Coefficients (xx): Calculate the ratio of the coefficients of xx in both equations.\newlineFor the first equation, the coefficient of xx is 11. For the second equation, the coefficient of xx is 22. The ratio is 12\frac{1}{2}.
  3. Calculate Ratio of Coefficients yy: Calculate the ratio of the coefficients of yy in both equations.\newlineFor the first equation, the coefficient of yy is 66. For the second equation, the coefficient of yy is 1313. The ratio is 613\frac{6}{13}.
  4. Calculate Ratio of Constants: Calculate the ratio of the constants in both equations.\newlineFor the first equation, the constant is 6-6. For the second equation, the constant is 10-10. The ratio is 6/10-6/-10, which simplifies to 3/53/5.
  5. Compare Ratios: Compare the ratios calculated in Steps 22, 33, and 44.\newlineThe ratios of the coefficients of xx and yy are different (12\frac{1}{2} and 613\frac{6}{13}, respectively), which means the lines are not parallel and not the same line. The ratio of the constants (35\frac{3}{5}) is also different from the ratios of the coefficients. This indicates that the lines intersect at exactly one point.
  6. Conclude Solution Type: Conclude the type of solution the system has based on the comparison.\newlineSince the lines intersect at exactly one point, the system of equations has exactly one solution.