Systems of Equations
PSAT Math · Flashcards · Recall
PSAT MATH · FLASHCARDS
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QUESTION
What does it mean if a point
(
x
,
y
)
(x,y)
(
x
,
y
)
solves a system of equations?
QUESTION
What does it mean if two lines in a linear system are parallel and distinct?
QUESTION
What is the slope of a line in standard form
A
x
+
B
y
=
C
Ax+By=C
A
x
+
B
y
=
C
(with
B
≠
0
B\ne 0
B
=
0
)?
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ANSWER
m
=
−
A
B
m=-\frac{A}{B}
m
=
−
B
A
. Rearrange to slope-intercept form to find slope.
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