Find the equation in standard form of the parabola whose graph is shown.
A. y = -x2 - 2
B. x = -y2 - 2
C. x = y2 - 2
D. x = -y2 + 2
Answer: B
Mathematics
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Add. Simplify the result whenever possible. 
y + 
y
A. 
y
B. 
y
C. 
y2
D. 
y2
Mathematics
Simplify by using the order of operations. Round your answer to the nearest hundredth, if necessary.43.6 - 4.1 ? 7.5
A. 12.85 B. 32.0 C. 148.01 D. 312.00
Mathematics
Find the dot product v ? w.v = 3i + 2j + k and w = 6i + 4j + 2k
A. 12 B. 28 C. -28 D. 83
Mathematics
Factor the sum or difference of two cubes completely.27a3 - 8b3
A. (3a + 2b2)(9a2 - 6ab + 4b2) B. (3a - 2b)(9a2 + 4b2) C. (3a - 2b)(9a2 + 6ab + 4b2) D. (27a - 2b)(a2 + 6ab + 4b2)
Mathematics