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

1 answer:

8 0

Answer:

b = 4, or -4

Step-by-step explanation:

b^2 - 4*4*1 = 0

b^2 = 16

b = 4, or -4

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