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Verified answer
F(x) = 2x² + 8x - 10titik potong dengan sumbu x
y = 0
2x² + 8x - 10 = 0
2(x +5)(x - 1)= 0
x = - 5 atau x = 1
titik potong (x,y) = (-5,0), (1,0)
titik potong dengan sumbu y
x= 0
y = 2(0)+8(0) -10
y = - 10
titik potong (x,y) = (0, -10)
2x^2+8x-10=0
2(x+5)(x-1)=0
x= -5 atau x= 1
Tipot (x,y)=(-5,0)(1,0)
Tipot sb y,x =0
y=2(0)+8(0)-10
y= 0-10
y=-10
Tipot sb x,y= (0,-10)
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