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A quadratic polynomial, whose zeroes are -3 and 4, is(a) x²- x + 12(b) x² + x + 12(c) x2/2−x/2−6(d) 2x² + 2x – 24how and why please?...... |
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Answer» a)x2-X +12. f(x)= -3 f(-3)= x2-x+12 = (-3)2-(-3)+12
=6+3+12 = 21 is the answer
f(x)=4 x2-x+12 (4)2-4+12 8- 4+12 9-4 5 |
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