1. Suppose that the amount of algae in a pond triples ever 2 hours. If the pond initially contains 80 ponds of algae, how much algae would be in the pond in 8 hours?
720
1,280
6,480
320
2. What is the order of the numbers from least to greatest?
A= 1.5 x 10^3 B= 1.4 x 10^-1 C = 2 x 10^3 D = 1.4 x 10^-1
D<B<A<C
C<A<B<D
D<B<C<A
B<D<A<C
1. C 6480
2. B b<d<a<c
3. A
4. A 6n^3+n^2+6n-4
5. A 4n^2-4
6. A (x+5)&(x-3)
7. A domain:(-∞,∞) range: y<_0
8. D 439.20 m in 9.2 sec
9. A 0,2/5
10. D -1,-3
11. A 168.83
12. C no solution
13. D same on days 3&30 the attendance at both was 105 &294
14. B (-3,-4)&(2,6)
15. B 9squarerootsymbol5
16. B 8sq5
17. B 3x^2-2x+1
18. A -89/25
19. A 2.91 hours
20. C
21. B symmetric
22. D minimum:4,first:7,median: 10.5, third:15, max:20
23. C -1/32x^4y^2
24. C 4d^15
25. B 8
26. C (s-9)(s+9)
27. D x=7,-1
28. B squarerootsymbol15/5
29. B 3; where x =/ 4
30. D 10x-46+376/2x+8
31. B y=24/x
32. C coldest day of march was 54 degrees
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srry if it's confusing but i took it &got 28 out of 32 so these r all the right ones !! for me at least it might change u kno
The answers are different for everyone. The exams are created based on how you did in the previous assessments. It's better to look up each question individually that way you don't get a bad grade.
I always love the comments on these😂
none of these idiots got it right and i failed with 14/32
the real answers are
c
b
c
c
b
d
b
d
b
d
a
c
b
a
a
c
c
d
c
c
d
b
d
b
c
d
d
a
for Lesson 2: Semester B Exam CE 2015
Algebra 1 B Unit 7: Semester B Exam and Review