30.Write the quadratic function using the x – intercepts (-3, 0) and (1, 0).
A. f(x) = -x
2
– 2x + 3
C. f(x) = x2
– 2x + 3
B. f(x) = -x
2 + 2x – 3
D. f(x) = x2
+ 2x – 3
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30.Write the quadratic function using the x – intercepts (-3, 0) and (1, 0).
A. f(x) = -x
2
– 2x + 3
C. f(x) = x2
– 2x + 3
B. f(x) = -x
2 + 2x – 3
D. f(x) = x2
+ 2x – 3
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Answer:
D. f(x) = x²
+ 2x – 3
Step-by-step explanation:
(-3, 0) , (1, 0)
f(x) = (x+3) (x-1)
= x²- x + 3x - 3
= x² + 2x – 3