Answer:
y = -7x + 17
Step-by-step explanation:
you want to isolate the 'y' variable, start by distributing -7 on the right side
y + 4 = -7x + 21
now subtract 4 from each side
y = -7x + 17
There is not a formula for everything need more data
(8 + √11)(8 - √11)
8^2 - √11^2
64 - √11^2
64 - 11
53
The answer is: 53.
You would have to add a positive 6 to the negative 6 to get zero. Lets say you have -2 in order to get it to zero or just any positive number, you have to add a positive of the same value or higher to be able to get it there. I hope you understand that.
Answer:
√20,
√19,
√17,
√23
Step-by-step explanation:
