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Grade 8 Algebra: Linear and Nonlinear Functions
Name: ______________________
Date: ____________
Score: ____ / 8
Level 3
Rewrite first
1.
Linear or nonlinear:
2
x
+
y
=
6
2x + y = 6
2
x
+
y
=
6
2.
Linear or nonlinear:
y
=
x
(
x
+
1
)
y = x(x + 1)
y
=
x
(
x
+
1
)
3.
Linear or nonlinear:
y
−
3
=
2
(
x
+
1
)
y - 3 = 2(x + 1)
y
−
3
=
2
(
x
+
1
)
4.
Linear or nonlinear:
x
y
=
12
xy = 12
x
y
=
12
5.
Linear or nonlinear:
y
=
x
+
4
2
y = \dfrac{x + 4}{2}
y
=
2
x
+
4
6.
Linear or nonlinear:
y
=
3
x
2
−
3
x
2
+
5
x
y = 3x^2 - 3x^2 + 5x
y
=
3
x
2
−
3
x
2
+
5
x
7.
Linear or nonlinear:
y
=
(
x
+
2
)
2
−
x
2
y = (x + 2)^2 - x^2
y
=
(
x
+
2
)
2
−
x
2
8.
Linear or nonlinear:
y
=
6
x
+
1
y = \dfrac{6}{x} + 1
y
=
x
6
+
1
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