Q. How many solutions does the system of equations below have?y=75x+43y=75x−72Choices:(A)no solution(B)one solution(C)infinitely many solutions
Slope Analysis: System of equations:y=75x+43y=75x−72Are the slopes same or different?Slope of first equation: 75Slope of second equation: 75Slopes of the equations are the same.
Y-Intercept Comparison: System of equations:y=75x+43y=75x−72Are the y-intercepts same or different?y-intercept of first equation: 43y-intercept of second equation: −72y-intercepts of the equations are different.
Number of Solutions: System of equations:y=75x+43y=75x−72Determine the number of solutions to the system of equations.The system of equations has the same slope but different y-intercepts.The system of equations has no solution because they are parallel lines.
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