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Damm [24]
3 years ago
8

Find the slope of each line.

Mathematics
1 answer:
Arisa [49]3 years ago
5 0

Answer:

(X1,Y1)=(8,4)

(X2,Y2)=(1,2)

m=(Y2-Y1)/(X2-X1)

m=(2-4)/1-8)= -2/-7

=2/7

Ans B

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Slope intercept form is y=mx+b. So let's use the given equation and turn it into this form.

3x-5y=-30

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-5y=-3x-30

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Which of these points lies on the line described by the equation below?
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C.) (6,4)...................
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3. What are the coordinates of the points of tangency of the two tangent lines through the point (1,1) each tangent to the circl
VashaNatasha [74]

Answer:y+x=2    

Step-by-step explanation:

Given

equation of circle x^2+y^2=1

Equation of tangent passing through (1,1)

Slope of tangent is given by differentiating equation of circle

2x+2y\frac{\mathrm{d} y}{\mathrm{d} x}=0

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at (x,y)=(1,1)

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7 0
3 years ago
Can someone help me do this problem and explain it to me step by step? If so I’ll mark you brainliest
Advocard [28]

Answer:

-21

28

Step-by-step explanation:

1) if r = -4

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= 3 * (-4) - 9

= -12 - 9

= -21

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 4 * x = 16 * 7

 x = 4 * 7

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7 0
2 years ago
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