SOLUTION: Using the given equation find the missing coordinates of the points and then find the slope of the line for each equation: y=3.5x+4; A(_;5) B(10;_) 7x-5y=12; A(_;9) B(4;

SOLUTION: Using the given equation find the missing coordinates of the points and then find the slope of the line for each equation: y=3.5x+4; A(_;5) B(10;_) 7x-5y=12; A(_;9) B(4;_)

Question 1015392: Using the given equation find the missing coordinates of the points and then find the slope of the line for each equation:
y=3.5x+4; A(_;5) B(10;_)
7x-5y=12; A(_;9) B(4;_)
y=−3/7x+3; A(_;6) B(9;_)
y=0.3x+1; A(_;9), B(5;_)

Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
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y=3.5x+4; A(_,5) B(10,_)
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Find point A: Substitute y value given, solve for x:
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5=3.5x+4
1=3.5x
1/3.5=x
0.2857=x
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Point A=(0.2857,5)
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Find point B: Substitute x value given, solve for y:
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y=3.5(10)+4
y=35+4
y=39
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Point B=(10,39)
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Slope:
In slope intercept form y=mx+b, m=slope
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Slope=m=3.5
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The others are done the same way.

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