Algebra 1 Part B Summer Assignment - Fall River Public Schools Page 16
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1818. If the data in the table is plotted on the coordinate plane, what type of correlation is present?
Dog Years (x)
Human Years
(y)
1
15
2
24
3
28
4
32
5
37
A. a positive correlation
C. no correlation
B. a negative correlation
D. a parallel correlation
19. Which system of equations represents lines that are parallel (hint: put equations into slope-intercept form).
2
4
10
y
=
x
+
7
y
=
x
−
A.
C.
3
4
15
x
+
y
=
2
3
12
−
x
+
y
=
1
3
5
y
=
x
−
2
y
=
−
x
+
B.
D.
5
y
3
x
2
=
−
+
5
3
−
x
+
y
=
−
20. Which systems of equation represent lines that are perpendicular (hint: put equations into slope-intercept
form).
3
4
5
4
y
=
x
−
y
=
x
−
A.
C.
12
4
24
5
7
x
+
y
=
y
=
x
+
3
4
3
4
12
y
=
x
−
x
+
y
=
B.
D.
3
24
6
8
24
x
+
y
=
x
+
y
=
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