the slope of the line below is -1. write the point-slope equation of the line using the coordinates of the labeled point. (7, -7
)
1 answer:
Answer:
y + 7 = -(x - 7)
Step-by-step explanation:
point slope is written in the form y - y₁ = m(x - x₁)
substitute -1 for m, 7 for x₁ and -7 for y₁
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-3(2)=-6
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The answer to this is -3y-8
{-2x+y=12 => y=12+2x
{3x+2y=38
3x+2(12+2x)=38
3x+24+4x=38 /-24
7x=14 /:7
x=2
y=12+2*2=12+4=16
y=16
<em>Solution: (2; 16)</em>
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