8th Grade Math Quiz
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EXPRESSIONS AND EQUATIONS
Question 1
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A student says the equation
y
=
2
x
+
3
y=2x+3
y
=
2
x
+
3
is proportional. Which statement best explains whether the student is correct?
A
Incorrect, because proportional relationships must have a negative slope.
B
Correct, because the slope is 2.
C
Incorrect, because a proportional relationship must pass through
(
0
,
0
)
(0,0)
(
0
,
0
)
and this one does not.
D
Correct, because
y
y
y
increases as
x
x
x
increases.
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