Sylvie solved this system of equations.
y = 5x + 2,
y = 8 – x
8 – x = 5x +...
English, 28.05.2021 18:20 HecptyAura
Sylvie solved this system of equations.
y = 5x + 2,
y = 8 – x
8 – x = 5x + 2
8 = 6x + 2
6 = 6x
x = 1
8 – 1 = 5(1) + 2
7 = 7
There are infinite solutions to this system.
When Sylvie verified the solution on a graph, the lines intersected at one point. What was her error?
She forgot to put both equations in slope-intercept form.
She made an arithmetic mistake in the last step.
She found the incorrect value of x.
She did not substitute the value of x into one of the original equations to find y.
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