AnswersKY-Math 8 A 1st nine weeks Plus Edgneuity HB - 421Writing Linear Equations Given Two Points

Writing Linear Equations Given Two Points Answers

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1
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How does the slope of this line compare with the slope of the line from the origin to the point (1, 4)?

A
They are the same.
B
They are opposites of each other.
C
They are reciprocals of each other.
D
The second line has no slope.
2
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What is the equation of the line that provides the correct path to rescue this alien? y = x + 5✔ y = 0x + 0y = 0x + 5y = 5x

A
y = x + 5
B
✔ y = 0x + 0
C
y = 0x + 5
D
y = 5x
3

What is the equation of the line that provides the correct path to rescue this alien? y = 5y = x + 5✔ y = –x + 5y = 5x

A
y = 5
B
y = x + 5
C
✔ y = –x + 5
D
y = 5x
4

When the spaceship starts from a point on the y axis, what is the y-intercept of the line of travel?

A
the x-coordinate of the spaceship
B
the y-coordinate of the spaceship
C
the y-coordinate of the alien
D
the distance from the spaceship to the alien
5

Which statements are true about the equation of the line used to save this alien?

A
The y-intercept is not visible on the graph.
B
The slope does not exist for this line.
C
The y-intercept is positive.
D
The line crosses the x-axis at –3.
6

For a third alien to have been rescued on the same trip, where could he have been located?

A
the origin
B
(2, –5)
C
(1, 2)
D
(-2, –3)

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