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Mathematics
Problem
5. Classify the following as linear, quadratic and cubic polynomials: (i)
x
2
+
x
x^{2}+x
x
2
+
x
(ii)
x
−
x
3
x-x^{3}
x
−
x
3
(iii)
y
+
y
2
+
4
y+y^{2}+4
y
+
y
2
+
4
(iv)
1
+
x
1+x
1
+
x
(v)
3
t
3 t
3
t
(vi)
r
2
r^{2}
r
2
(vii)
7
x
3
7 x^{3}
7
x
3
(i)
x
2
+
x
x^{2}+x
x
2
+
x
(ii)
x
−
x
3
x-x^{3}
x
−
x
3
(iii)
y
+
y
2
+
4
y+y^{2}+4
y
+
y
2
+
4
(iv)
1
+
x
1+x
1
+
x
(v)
3
t
3 t
3
t
(vi)
r
2
r^{2}
r
2
(vii)
7
x
3
7 x^{3}
7
x
3
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