Answer:
(-3,-11)
Step-by-step explanation:
Compare the given quadratic equation with the general quadratic equation.
a=1, b=6 and c=-2

Subsitute
for
in given quadratic equation.

The minimum point is (-3,-11).
Answer: the wise man is 79
Step-by-step explanation:
400 - 3x = 163
400–163 =3x
237 = 3x or 3x = 237 or x = 79…
Answer:
6 years
Step-by-step explanation:
10,000 = 22,400(0.88)^t