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Julio tested the point (4, –2) to see whether it is a solution to this system of equations. –3x – 2y = –8, y = 2x – 5 His work is shown below.
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Dec 27, 2019
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Julio tested the point (4, –2) to see whether it is a solution to this system of equations. –3x – 2y = –8, y = 2x – 5 His work is shown below.
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Mike Rowley
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The answer is B. No he did not check the point in the second equation.
Shobhit Chittora
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Dec 29, 2019
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Shobhit Chittora
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if it is solution point (4, –2) must satisfy both equations
(1) –3x – 2y = –8-->-3*4-2*(-2)=-8
-12+4=-8 then-->-8=-8 ok
(2) y = 2x – 5
-2=2*4-5=3---------->-2 is not 3
the point (4, –2) is not solution of the system of equations
Bridgett
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Dec 31, 2019
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