Mathematics, 31.01.2020 06:55 garciagang0630
In the equation x^2-6x+c=0, find the values of c that will give two imaginary solutions.
a. c > = 5
b. c > 6
c. c < 6
d. c > 9
i figured out the equation with 6 (so i believe either b or c is the answer) being there, but is would it be > or < ?
rewrite x^2+9 as a product using complex numbers and the polynomial identity below.
a. (x+3)(x-3)
b. (x+3i)(x-3i)
c. (3x)(3i)
d. (x+9i)(x-9i)
i'm not sure if it's b or d, if i'm on the right path. ?
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