Find b in b2-4ac=-11 if a =1 and c=5?
A.-3
B. 0
C. 2
D. 9
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Find b in b2-4ac=-11 if a =1 and c=5?
A.-3
B. 0
C. 2
D. 9
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Answer:
b²-4(1)(5)=-11
b²-20=-11
b²=20-11
b²=9
✓b²=✓9
b=±3
3 and -3
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