Please help and not try to get points only. What is the value of c in the equation 2c + 5(c − 5) = 10? 0 2 5 10
2 answers:
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Answer:
Step-by-step explanation:
We need to write a quadratic equation so we can use standard quadratic equation:
Plug the given points to get three equations.
for (7,4), we plug x=7 and y=4
...(i)
similarly using other two points, we get:
...(ii)
...(iii)
Now we solve those three equations by any method like substitution, or matrices or by any method and get:
Now plug these values into , we get final equation as: