Factor completely.2x3 + 2x2y - 24xy2
A. (2x2 + 6xy)(x - 4y)
B. Prime
C. 2x(x + 3y)(x - 4y)
D. 2x(x - 3y)(x + 4y)
Answer: D
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Determine if the number is divisible by 2, 3, 4, 5, 6, 8, 9, 10, and/or 12.1224
A. 2, 3, 4, 8 B. 2, 3, 6, 8 C. 2, 3, 4, 6, 8, 9,12 D. 2, 3, 4
Answer the question.In how many ways can you answer the questions on an exam that consists of 10 multiple choice questions, each of which has 4 answer choices, followed by 7 true-false questions?
A. 134,205,278 B. 134,217,728 C. 134,800,833 D. 134,342,558
Add.32 + 33 + 13
A. 87 B. 96 C. 78 D. 69
Answer the question or provide the appropriate response.Which of the following methods may be used to show that there cannot be two real numbers that have a difference of 5 and a product of -25? (More than one method may be correct.)(i) Graph the function y = x2 - 5x + 25 and observe that the graph has no x-intercepts.(ii) Determine that the discriminant of the equation x2 - 5x + 25 = 0 is negative.(iii) Graph the function y = x2 - 5x + 25 and observe that the vertex lies above the x-axis.(iv) Graph the functions y1 = x2 - 5x and y2 = 25 and observe that these graphshave no points of intersection.
A. (i) only B. (i), (ii), (iv) C. (i), (ii), (iii), (iv) D. (i), (iv)