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10. Use the discriminant to find the values of b for which the equation 4x2 + bx + 1 = 0 has one real solution.

10. Use the discriminant to find the values of b for which the equation 4x2 + bx + 1 = 0 has one real solution.
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14 votes
10. Use the discriminant to find the values of b for which the equation 4x2 + bx + 1 = 0 has one real solution.

asked
User Phucbm
by
8.2k points

1 Answer

4 votes

Answer:

b = 4, or -4

Explanation:

b^2 - 4*4*1 = 0

b^2 = 16

b = 4, or -4

answered
User Alexander Block
by
8.3k points
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