116.Simplify the expression
3 x^2 + 4ax– 8a^2 + 7x^2 – 2ax+7a^2.
a. 21 x^2 – 8a^2 x– 56a^2
b. 10 x^2 + 2ax– a^2
c. 10 x^4 + 2a^2 x^2 – a^4
d.The expression cannot be simplified further.
117.Simplify the expression 9m^3 n+ 8mn^3 + 2m^3 n^3.
a. 19 m^7 n^7
b.19(m^3 n+ nm^3 + m^3 n^3 )
c.17(mn)^3 + 2m^3 n^3
d.The expression cannot be simplified further.
118.Simplify the expression –7g^6 + 9h+ 2h– 8g^6.
a.–4g^6 h
b.–2g^6 – 4h
c.–5g^6 + h
d.–15g^6 + 11h
119.Simplify the expression (2x^2 )(4y^2 ) + 6x^2 y^2.
a. 12 x^2 y^2
b. 14 x^2 y^2
c. 2 x^2 + 4y^2 + 6x^2 y^2
d. 8 x^2 + y^2 + 6x^2 y^2
e. 8 x^4 y^4 + 6x^2 y^2
120.Simplify the expression (5a^2 3 ab) + 2a^3 b.
a. 15 a^2 b+ 2a^3 b
b. 17 a^6 b^2
c. 17 a^3 b
d.The expression cannot be simplified further.
121.Simplify the expression 2x–3– ^3 xx 4
–1
– (x^3 )–1.
a.–2x–3
b.x–3– 3x–5
c.–x–3 – x–2
d.The expression cannot be simplified further.122.Simplify the expression (ab^2 )^3 + 2b^2 – (4a)^3 b^6.
a. 2 b^2 – 63a^3 b^6
b. 2 b^2 – 11a^3 b^6
c.a^3 b^5 + 2b^2 – 12a^3 b^6
d.The expression cannot be simplified further.
123.Simplify the expression (–3xx–
- 2
^1 )–2
- ^89 (x^2 )^2
a.^79 x^4
b.x^4
c.^692 x^4
d.The expression cannot be simplified further.
124.Simplify the expression –(–a–2bc–3)–2+ 5a 2 bc (^3)
–2
.
a. 2 a 4
(^4) c
b
6
2
b.^4 ab
4
2 c
^6
c.^6 ab
4
2 c
^6
d.a 4
4
b
c 26
125.Simplify the expression
3(z+ 1)^2 w^3 –.
a.3(z+ 1)^2 w^3 – w^3
b.3(z+ 1)^2 w^3 – w^1
c.(z+ 1)^2 w^3
d.The expression cannot be simplified further.
126.Simplify the expression
–2(4x+ 1)
(^5) y–5–
–2
.
a.16(4yx
1
- 0
1) 10
b.8(4x+ 1)–10 y^10
c.8(4x+ 1) –3y–7
d.none of the above
127.Simplify the expression
4 z((xy–2)–3+ (x–3y^6 ))–1– ^1 z^2 xy 3
6
–1
.
a.^8 zxy 3
6
– 2 zxy
3
6
b.^32 zyx 6
3
c.^23 zyx 6
3
d.^8 xzy 3
6
+ 2 zxy
3
6
^2 y(4x+1)^2
((4x+1)y–2)–3
^2 w(z+1)
((z+ 1)w^2 )–1
- PRE-ALGEBRA FUNDAMENTALS–