When you take the square root of a plus number, you get 2. It is often written as +/- something.
For example sqrt 64 = +8 and - 8
(8)*(8) = 64
(-8)(-8) = 64 Remember when 2 minus' are multiplied together, you get a plus.
Oddly, when you take the cube root of something, you get only 1 answer. When you take an advanced math course, you will find out that it is three. But until you know what a complex number is, the answer is 1.
1. B because the -5 is the most separated from 0
2. C
3. B
Answer:
We say that a function is increasing on an interval if the function values increase as the input values increase ...
Step-by-step explanation:
Hello,
A is True
-x-4=8==>x=-12
or -(-x-4)=8==>x=4
B is false
|0.5x-42.1| is always >0
but -20.6/3.4<0 ==> no solution
C: ? not a equation
D is false |2x-10|=-20has no solution
E: ? not an equation
I don't know what you expected!