Solve the system of equations below by graphing both equations with a pencil and paper. What is the solution?y = x + 5y = –2x – 1A.(0, –1)B.(–2, –1)C.(–2, 3)D.(0, 5)SUBMITarrow_backPREVIOUS
Question
Solve the system of equations below by graphing both equations with a pencil and paper. What is the solution?y = x + 5y = –2x – 1A.(0, –1)B.(–2, –1)C.(–2, 3)D.(0, 5)SUBMITarrow_backPREVIOUS
Solution
To solve the system of equations by graphing, follow these steps:
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Draw a coordinate plane on your paper.
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Graph the first equation, y = x + 5. To do this, start by plotting the y-intercept (0,5). Then, since the slope is 1 (or 1/1), from the y-intercept, move up 1 unit and to the right 1 unit to plot your next point. Draw a line through these points.
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Graph the second equation, y = -2x - 1. Start by plotting the y-intercept (0,-1). The slope is -2, so from the y-intercept, move down 2 units and to the right 1 unit to plot your next point. Draw a line through these points.
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The solution to the system of equations is the point where the two lines intersect.
By looking at the options given, the point of intersection appears to be (-2, 3), so the answer is C.(-2, 3).
Please note that this is a rough estimation. For an exact solution, you would need to solve the system algebraically or use a more precise method of graphing.
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