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riadik2000 [5.3K]
4 years ago
12

Find the value of c such that y= x + c is a tangent to the parabola y = x squared - x - 12

Mathematics
1 answer:
Bond [772]4 years ago
5 0

Answer:

c = –13

Step-by-step explanation:

by property of tangent line, equation

x² – x – 12 = x + c

x² – 2x – 12 – c = 0

has only one solution, which mean

– 12 – c = 1

c = –13

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