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1. Find the value of the function x3+2x+5 at x=2
a) 17
b) 15
c) 18
d) 19
2. 7n2-7n+5-(3n+7n2)=
a) 5+10n
b) -10n+5
c) 10n-5
d) 45-10n
3. If a=3,b= - 1,c=2,which is true.
I. a+b+c
II. 3a+5b=4
III. 2c-5a=6
a) 1 only
b) 2 only
c) 3 only
d) 1 and 3
e) 1 and 2
4. If x2-y2=58 and x-y = 4, what is the average of x and y?
a) 13
b) 27
c) 2
d) 3.6
5. If a2-b2 = 21 and a2+b2 =29, which of the following could be the value of a?
a) 10
b) 5
c) 0
d) none of above
6. If 12/m = 15/m2, then m =?
a) 5/4
b) 3/5
c) -5/3
d) -3/5
e) none
7. If x = (p+q) / (p-q), then x-1 =?
a) q/p-q
b) 2q/(p+q)
c) 2p(p-q)
d) 2q/(p-q)
8. If p+q = 4,q+r =-2,r+p=3,then p+q+r =?
a) 2/5
b) 5/2
c) 6/2
d) 5
e) 6
9. If 5a=2b=40c, what is the value of8a=5b in term of c?
a) 10c
b) 164c
c) 52c
d) 25c
10. If p = 10/ (q+2), what is the value of pq in terms of p?
a) 2(5-p)
b) 10/p
c) 3(p-5)/p
d) 2(p-5)/p