Answer:
True
Step-by-step explanation:
When you do the same thing to both sides they are equally weighted, it's like changing up the equations while still making it true.
Answer:
√{121×11×11}=√(11²×11²)=±11²=±121
Answer:
Step-by-step explanation:
This is not possible over the real numbers system. You cannot take the square root of a negative number without ending up with imaginary solutions.
and
In the world of imaginary numbers, the 2 solutions would be
x = 5i and x = -5i
Answer:
The answer is C
Step-by-step explanation:
Move the nine to the other side of the equal sign
Use the quadratic formula
Find a, b, and c
A=2, B=1, C=-10
Plug them in
1 squared minus 4(2)(-10)
1+80
81
Square root of 81=9
<u>-</u><u>1-9</u><u> </u> <u>-1+9</u>
4 4
<u>-</u><u>10</u><u> </u> <u>8</u>
4 4
Simplify
<u>-5</u> <u>2</u>
2 1
<u>-</u><u>5</u><u> </u> 2
2
Answer:
3/4
Step-by-step explanation:
I think
Hope this helps