Question 1022191
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y=2x+3 (RED LINE on graph)
(-1/2)x-7=y (GREEN LINE on graph)
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Intersection when:
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2x+3=(-1/2)x-7:
2.5x=-10
x=-4
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y=2x+3
y=2(-4)+3
y=-8+3
y=-5
Intersection at (-4,-5)
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CHECK:
y=(-1/2)x-7
y=(-1/2)(-4)-7
y=2-7
y=-5
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{{{ graph( 500, 500, -10, 10, -10, 10, 2x+3, (-1/2)x-7) }}}