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Lynna [10]
3 years ago
14

Hey! Can someone help with this problem? 30 POINTS and 5 stars if you help with all

Mathematics
2 answers:
Nezavi [6.7K]3 years ago
5 0

Answer:

A: (-1,0)

B: (1,1)

C: (5,3)

(0,½)

(7,5) doesn't lie on the line

Step-by-step explanation:

Slope: (3-1)/(5-1) = ½

y = ½x + c

0 = ½(-1) + c

c = ½

y = ½x + ½

(0,½) is on the line

y = ½x + ½

Check for (7,5)

5 = 7/2 + 1/2

5 = 4 is a false statement

Lana71 [14]3 years ago
4 0

Answer:

see below

Step-by-step explanation:

a A  (-1,0)  B  (1,1)  C (5,3)

Remember the x coordinate is horizontal and the y coordinate is vertical

b  We notice that we go over 2 and up 1

  another point would be (5+2, 3+1) = (7,4)

  We could also go to the left 2 and down 1

  a second point would be  (-1 -2, 0-1) = (-3, -1)

c  The point (7,5) is not on the line.  We found that the point (7,4) is on the line.  There is only one point at each x coordinate on the line and it is at (7,4)

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Which description best compares the graphs given by the equations:
nexus9112 [7]

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First, you'll need to get the x variable by itself.

x - 5y = -5<u>
</u><u>    +5    +5</u><u>
</u>       x = 0
So x is plotted on the 0.

For the second part of the first equation, you'll be looking for what the y variable represents.

x - 5y = -5
<u>-x           -x</u><u>
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For the first part of the second equation, you'll do the same thing as in the first equation.

-5x - 25y = 25
<u>        +25   +25</u><u>
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</u>            5      5
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So the x for this equation is plotted on 10 on the horizontal line.

For the second part of the second equation, you will do the same thing as in the first equation.

-5x - 25y = 25
<u>+5               +5</u><u>
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</u>        25      25
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So the y for the second half of the second question is plotted on 1.2 on the vertical line.

<h2>Answer: B) Perpendicular</h2>

Perpendicular means the lines may or may not be of equal length and they will not be perfectly in line with each other.

Parallel means the lines may or may not be of equal length but will be perfectly in line with each other.

Intersecting means the lines may or may not be of equal length but will touch each other.

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