3 years ago

What is the slope of the line the contains the points (-1,-1) and (3,15)?

Mathematics

2 answers:

attashe74 [19]3 years ago

7 0

The answer to this question is A

Nastasia [14]3 years ago

7 0

A.4
Hope it helps, good luck

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Answer:

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Step-by-step explanation:

we know that

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Let

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NISA [10]

Answer: (-2;8)

$\left \{ {{3x+3y=18} \atop {2x+y=4}} \right. \\\\\left \{ {{x+y=6} \atop {2x+y=4}} \right. \\\\=>\left \{ {{x=4-6} \atop {x+y=6}} \right. \\\\\left \{ {{x=-2} \atop {x+y=6}} \right. \\\\\left \{ {{x=-2} \atop {y=6-(-2)=8}} \right.$

Step-by-step explanation:

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