
Taking the square root of both sides gives two possible cases,

or

Recall that

If
and
, we have

so in the equations above, we can write

Then in the first case,


(where
is any integer)


and in the second,




Then the solutions that fall in the interval
are

Answer:
2
Step-by-step explanation:
Which represents the solution set of the inequality 5x-9 < 21? a. x < 12/5 b. x > 12/5 c. x > 6 d. x < 6
Answer:
C
Step-by-step explanation:
The identity property for addition tells us that zero added to any number is the number itself.
Answer:
System A the answer is: One solution
System B the answer is: Many infinite solution
System C the answer is: No solution
Step-by-step explanation:
Hope this helps you :)