05:05 duration 5 minutes 5 seconds
0312 7.1.1
Introduction
03:03 duration 3 minutes 3 seconds
7.1.2
The square root of 9 is -3 The principal root of 9 is 3
01:47 duration 1 minute 47 seconds
Prealgebra 2.2.2
- 1 + -3
05:10 duration 5 minutes 10 seconds
Prealgebra 2.3.9
5 - 5
02:57 duration 2 minutes 57 seconds
Prealgebra 2.4.5
-7 ^ 2 and (-7) ^ 2
02:09 duration 2 minutes 9 seconds
Prealgebra 2.5.6
5 - (-3) ^ 2 / -2
01:43 duration 1 minute 43 seconds
Prealgebra 2.6.6
5x ^ 2
02:03 duration 2 minutes 3 seconds
Prealgebra 2.6.7
(-x) ^2
02:22 duration 2 minutes 22 seconds
Prealgebra 2.6.8
Distributive Law
02:30 duration 2 minutes 30 seconds
Prealgebra 3.7.8
7/10 divided by -14/15
01:34 duration 1 minute 34 seconds
Prealgebra 4.5.1
Numerals
02:50 duration 2 minutes 50 seconds
Prealgebra 4.7.4
1 1/2 ÷ 1/6
01:51 duration 1 minute 51 seconds
Prealgebra 4.7.5
32 ÷ 3 1/5
01:55 duration 1 minute 55 seconds
Prealgebra 5.1.9
Which is Larger
01:30 duration 1 minute 30 seconds
Prealgebra 6.2.3
Percent Notation
07:19 duration 7 minutes 19 seconds
1314 2.6.3
h(x) = .5|x|