Step-by-step explanation:
the calculation is included. I hope its self explanatory
Answer:

Step-by-step explanation:
Given: 
We need to completely isolate
to solve.






Finally, multiply both sides by -2 to completely isolate
.

Answer:
discriminant is zero (0)
Step-by-step explanation:
Actually, you have a double root here: {6, 6}: "two real, equal roots." That tells us immediately that the value of the discriminant was zero (0).
I am still not getting my phone back to my computer and my phone and I am trying to find out what
Answer:
SAS Reflective property
Step-by-step explanation: