Answer:
0
Step-by-step explanation:
So we have the expression:
And we want to evaluate it for x=-4 and y=8.
So, substitute:
Multiply:
Add:
Evaluate:
So, our answer is 0.
And we're done!
Export because it is leaving their country
Step-by-step explanation:
Use the quadratic formula to find the solutions.
−b±√b2−4(ac)2a-b±b2-4(ac)2a
Substitute the values a=9a=9, b=0b=0, and c=−81c=-81 into the quadratic formula and solve for xx.
x=±3x=±3
The final answer is the combination of both solutions.
x=3,−3x=3,-3
Answer:
X/5 = 14
Step-by-step explanation:
We know that the sum will be what the answer of the algebraic equation. We know that the unknown number will be divided by 5. We should mark the unknown number with a variable. I personally used X. So we should write X divided by 5 equals 14.
It’s letter B I think I’m not as positive