Roots & Exponents Flashcards
1
Q
Perfect squares never end in
A
2,3,7,8
2
Q
Perfect cubes
A
0,1,2-8,3-27,4-64,5-125,6-216,7-343,8-512,9-729,10-1000
3
Q
sq rt 2
A
1.4
4
Q
sq rt 3
A
1.7
5
Q
sq rt 5
A
2.2
6
Q
sq rt 6
A
2.4
7
Q
sq rt 7
A
2.6
8
Q
sq rt 8
A
2.8
9
Q
Raising a number other than -1,0,1 to any power other than -1,0,1 will increase the number (x^n > x) in all cases EXCEPT
A
1) base is neg / exp is odd, pos / -4^3 < -4
2) base is pos fraction / exp is pos int / (1/4)^2 < (1/4)
3) base is pos / exp is a pos fraction / 4^(1/2) < 4
4) base is pos / exp is neg / 2^-3 < 2
5) base is neg fraction / exp is neg / (-1/2)^-3 < (-1/2)
10
Q
0 to any power except 0 is
A
0
11
Q
-1 to any power except 0 is
A
-1 or 1
12
Q
1 to any power except 0 is
A
1
13
Q
Any number raised to 0 is
A
1
14
Q
Any number raised to -1 is
A
its reciprocal
15
Q
Any number raised to 1 is
A
the same
