28. The zeroes of the quadratic polynomial
3 x2– 48 are
(a) both negative
(b) one positive and one negative
(c) both positive
(d) both equal
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Answer:
one positive and one negative
Step-by-step explanation:
3x^2-48=0
3x^2=48
x^2=48/3
x^2=16
x=√16
x= +4 or -4
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