Finding Slope
ISEE Upper Level · Flashcards · Recall
ISEE UPPER LEVEL · FLASHCARDS
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QUESTION
Identify the slope type for a vertical line (in terms of
m
m
m
).
QUESTION
State the slope formula for the line through points
(
x
1
,
y
1
)
(x_1,y_1)
(
x
1
,
y
1
)
and
(
x
2
,
y
2
)
(x_2,y_2)
(
x
2
,
y
2
)
.
QUESTION
What happens to the slope value if you swap the two points in
m
=
y
2
−
y
1
x
2
−
x
1
m=\frac{y_2-y_1}{x_2-x_1}
m
=
x
2
−
x
1
y
2
−
y
1
?
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ANSWER
Slope stays the same. Swapping points negates both numerator and denominator, preserving the slope value.
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