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Math 9 Chapter 4
Algebraic Expressions and Algebraic Formulas-11
1.
(6-
Ö
2) (6 +
Ö
2) = _____________.
a) 4
b) 32
c) 34
d) -4
2.
2
4
= ________________.
a) 2
6
b) 2
2
c) 2
16
d) 2
8
3.
(x+2) (x-3) = _________________.
a) x
2
+5x-6
b) x
2
+x+6
c) x2-x-6
d) x
2
+x-6
4.
If product of two polynomial is x
2
- 5x + 6 and one polynomial is x-2, then other is __________.
a) x+3
b) x+4
c) x-4
d) x-3
5.
If X = a
2
-b
2
, Y= a
2
+b
2
then 2xy = ________________
a) 2(a
4
-b
4
)
b) 2(a
4
+b
4
)
c) 4(a
4
+b
4
)
d) a
4
-b
4
6.
3x
2
a) Monomial
b) Linear Polynomial
c) Polynomial of 2 variables
d) Irrational Expression
7.
1 /
Ö
x+2
a) Trinomial
b) Irrational Expression
c) Polynomial of 3 variable
d) Rational Expression
8.
x
2
+1/ x
a) Polynomial of 2 variables
b) Monomial
c) Rational Expression
d) Trinomial
9.
3x+4
a) Linear Polynomial
b) Trinomial
c) Polynomial of 3 variable
d) Irrational Expression
10.
If x+y = 3, xy=2 then x
2
+ y
2
a) 13
b) -5
c) 1
d) 2
e) 5
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