Factor by grouping.xy + 10x - 4y - 40
A. (y - 10)(x + 4)
B. (x + 10)(y - 4)
C. (y + 10)(x - 4)
D. (x - 10)(y + 4)
Answer: C
Mathematics
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Identify the vertex of the quadratic equation.f(x) = -4x2
A. (0, -4) B. (4, 0) C. (-4, 0) D. (0, 0)
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Factor the polynomial completely.729p3 - 1
A. (9p + 1)(81p2 - 9p + 1) B. (9p - 1)(81p2 + 9p + 1) C. (729p - 1)(p2 + 9p + 1) D. (9p - 1)(81p2 + 1)
Mathematics
Solve the problem.How many 6-letter codes can be formed using the letters A, B, C, D, E, F, G, H, and I. Repeated letters are allowed.
A. 10,077,696 B. 84 C. 60,480 D. 531,441
Mathematics
Write the decimal in words.5.577
A. Five and five hundred seventy-seven thousandths B. Five and five hundred seventy-seven tenths C. Five and five hundred seventy-seven hundredths D. Five and five hundred seventy-seven millionths
Mathematics