Factor out the greatest common factor.5x2 + 15x
A. 5x(x + 15)
B. 5x(x + 3)
C. x(5x + 15)
D. 5x2(x + 3)
Answer: B
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Complete the magic (addition) square. A magic square has the property that the sum of the numbers in any row, column, or diagonal is the same.Use each number 34, 35, 36, 37, 38, 39, 40, 41, and 42 once.
A. 
B. 
C. 
D. 
For the smooth curve r(t), find the parametric equations for the line that is tangent to r at the given parameter value 
r(t) = (4t2 - 7t)i + (t + 6)j + k ; t0 = 2
A. x = 9t, y = t, z = t B. x = 2 + t, y = t, z = t C. x = 2 + 9t, y = 8 + t, z = 1 D. x = 2 + 9t, y = 8 + t, z = 0
Find the polynomial of lowest degree that will approximate F(x) throughout the given interval with an error of magnitude less than than 10-3.F(x) = 
, [0, 1]
A. x - 
+ 
B. x + 
+ 
C. x + 
+ 
D. x - 
+ 
Find the distance between points P1 and P2.P1(5, 7, -3) and P2(11, 4, -1)
A. 
B. 5
C. 6
D. 7