Answer:
B
Step-by-step explanation:
y=n(x+5)(x-3)
or y=n(x²-3x+5x-15)
or y=n(x²+2x-15)
=n(x²+2x+1-1-15)
=n(x+1)²-16n
y -coordinate of vertex=-16n
x intercept
y intercept
-3(x-2)×2+17=0
Factor by grouping
( 2 x + 5 ) ( x + 4 )
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