Factor the trinomial completely.x2 + 2xy - 35y2
A. (x - y)(x + 5y)
B. (x - 7y)(x + 5y)
C. (x - 7y)(x + y)
D. (x + 7y)(x - 5y)
Answer: D
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Find the vector projv u.v = 3i - j + 3k, u = 2i + 10j + 11k
A. 
i - 
j + 
k
B. 
i + 
j + 
k
C. 
i - 
j + 
k
D. 
i + 
j + 
k
Simplify the radical expression. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Write the percent as a decimal.29% of students at a small college lived at home while attending classes.
A. 0.029 B. 0.29 C. 29.0 D. 2.9
A polynomial P(x) and a divisor d(x) are given. Use long division to find the quotient Q(x) and the remainder R(x) when P(x) is divided by d(x), and express P(x) in the form d(x)? Q(x) + R(x).P(x) = 3x4 - 2x3 - 10x2 + 15d(x) = x - 2
A. (x - 2)(3x3 - 4x2 - 2x - 4) + 7 B. (x - 2)(3x3 + 4x2 - 2x + 11) + 22 C. (x - 2)(3x3 + 4x2 - 2x - 4) + 7 D. (x - 2)(3x3 + 4x2 + 2x + 4) + 22