Use the discriminant to determine whether the solutions for the equation are two rational numbers, one rational number, two irrational numbers, or two nonreal complex numbers. Do not actually solve.7 + 4z2 = 3z
A. one rational number
B. two rational numbers
C. two irrational numbers
D. two nonreal complex numbers
Answer: D
Mathematics
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Find the Cartesian product.A = {0}B = {19, 29, 39}Find B × A.
A. {0} B. {(19, 0), (29, 0), (39, 0)} C. {0, 0, 0} D. {(0, 19), (0, 29), (0, 39)}
Mathematics
Using the Superposition Theorem, find IR3 and VR4 .
E1 = 15.0 V
E2 = 35.0 V
R1 = 10 Kê
R2 = 10 Kê
R3 = 25 Kê
R4 = 15 Kê
Mathematics
Answer the question as instructed.Which of the following is not a mathematical sentence?
A. 4 ? 11 B. 4 ? 7 = 28 C. 4 ? 7 ? 28 D. 4 < 7
Mathematics
Find the greatest common factor of the terms.64a8b2, 40a5b8
A. 8a8b8 B. 8a5b2 C. 320a8b8 D. 4a3b6
Mathematics