1.-3f^2+4f-3+8f^2+7f+1
a.5f^2-11f+2
b.11f^2+11f+2***
c.5f^2+11f-2
d.-5f+3f-2
2.3x^2+5X-5X^2-4X-2
a.-8x^2-9x+3
b.2x^2+x+3
c.-2x^2-9x+3
d.-2x^2+x+3***
3.(8x-2y)+(3x-4y)
a.11x+8y***
b.4x-y
c.11x-6y
d.5x+2y
4.(y+3d)-(-9y+7d)
a.-10y+4d
b.-8y+10d
c.8y-6d***
d.10y-4d
5.the distance from nretown to oldtown on the highway is(6x^2+2x-2) miles. Using the back roads it is (5x^2-8x-6)miles.how many miles shorter is the second route?
a.11x^2+10x-8
b.-x^2-6x+4
c.x^2+10x+4
d.x^2-6x-8***
6.7^5*7^6
a.49^30
b.7^30***
c.49^11
d.7^11
7.2^2*2^8
a.4^10
b.2^10
c.4^16
d.2^16***
8.2^8/2^7
a.2^1
b.2^8/7
c.2^56***
d.2^15
9.x^56/x^24
a.x80
b.x23
c.x32
d.none of these***
10.(9*10^4)(8*10^6)
a.7.2-10^25
b.1.7*10^11***
c.7.2*10^11
d.1.7*10^25
11.j^7*j^1
a.j^8
b.j^7***
c.(2j)^8
d.(2j)^7
12.(-8x)*3x^2
a.-5x^3
b.-24x^2
c.-24x^3***
d.-5x^2
13.14^-4
a.1/14^4
b.-56
c.1/14
d.1/14^-4***
1.c
2.d
3.c
4.d
5.c
6.d
7.b
8.a
9.c
10.c
11.a
12.c
13.a