Answer:
2x² = -8
x² = -4
The answer is no real solutions (x ∉ R) because a perfect square cannot be negative.
Answer:
Bolded below are the answers
Step-by-step explanation:
4568 ÷ 8
(4000 ÷ 8) + (560 ÷ 8) + (8 ÷ 8)
500 + 70 + 1
571
Hope this helps!
You have two equations.
since the second is already isolated, sub in x-4 for every y in equation 1 so that
![x^{2} - 4 [(x-4)^{2}] =16 ](https://tex.z-dn.net/?f=%20x%5E%7B2%7D%20-%204%20%5B%28x-4%29%5E%7B2%7D%5D%20%3D16%0A%20)
expand, collect like terms, factor to find x, then plug x value back into original equation to find y
Answer:
Step-by-step explanation:
She should chose the $9 because it is cheaper ;)