Evaluate the discriminant, and predict the type and number of solutions.s2 - 2s + 6 = 0
A. 20, two different irrational
B. 0, one rational
C. -20, two different imaginary
D. 20, two different rational
Answer: C
Mathematics
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Factor.x2 - 5x - 24
A. (x + 3)(x - 8) B. Prime C. (x - 24)(x + 1) D. (x - 3)(x + 8)
Mathematics
R1 = 56 Kê, R2 = 3.3 Kê, R3 = 10 Kê, R4 = 2.2 Kê, HFE = 90, VCC = 25 V. Find IB, IC and VC.
What will be an ideal response?
Mathematics
Solve the problem.Use the formula s = r? to determine the value of r in the figure. Round to two decimal places.
A. 1.27 ft B. 0.02 ft C. 28.27 ft D. 0.79 ft
Mathematics
Graph the function. Give the domain and range.f(x) = log1/5(x + 4)
A. domain: (-4, ?); range: (-?, ?)
B. domain: (-?, ?); range: (0, ?)
C. domain: (-?, ?); range: (4, ?)
D. domain: (0, ?); range: (-?, ?)
Mathematics