Answer:
a = -3 b = -5 c = 9
Step-by-step explanation:
A quadratic function is written in the form
ax^2 +bx +c =0
-3x^2-5x+9=0
×(2)+9×+c
2×+9×+c =
11x+c
Juanita had the largest change. (+4 points)
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