pmarron pmarron

28-02-2016
Mathematics

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Graph the system below and write its solution.
2X+Y=-6
Y= -1/3X-1

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Panoyin Panoyin

28-02-2016

2x + y = -6
y = ⁻¹/₃x - 1

2x + (⁻¹/₃x - 1) = -6
2x - ¹/₃x - 1 = -6
1²/₃x - 1 = -6
+ 1 + 1
1²/₃x = -5
1²/₃ 1²/₃
x = -3

y = ⁻¹/₃x - 1
y = ⁻¹/₃(-3) - 1
y = 1 - 1
y = 0
(x, y)= (-3, 0)

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