The first one is correct (-2/3, -1/2, 7/12, 0.82) pls mark branliest
Answer:
Step-by-step explanation:
Equation:
1). →
2). ∴
3).
4). now plug into
5). Minimum (0,-5) ∴
6.4 - 2x - 6.63x = 610.5
subtract 6.4 from both sides
-2x -6.63x =604.1
collect like terms
-8.63x = 604.1
divide both sides by -8.63
x= -70
I do not know what point is you trying to find