Answer:
1. 25
2. 9
Step-by-step explanation:
If I'm correct, to complete the square you need to use 
So, for #1, b is 10.
= 5.
= 25.
For #2, b is -6.
= -3.
= 9.
Answer:
-7y > 161
7y < -161
y < -23
7y > -161
y > -23
So, your answer is: -7y > 161 is equal to y < -23, and 7y > -161 is equal to y>-23.
Let me know if this helps!
The answer to this would b
Answer:
1.425.
Step-by-step explanation:
1 .425 is the only one which can be written as a fraction ( 1425/ 1000).
π is a non repeating decimal which goes on without bounds.
So is √50 (try entering it on your calculator).
√-4 : there is no real number whose square root is negative.