Solve by using the quadratic formula.2x2 + 12x + 3 = 0
A. 
B. 
C. 
D. 
Answer: B
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Identify the fraction as a proper fraction, an improper fraction, or a mixed number.
A. Proper fraction B. Mixed number C. Improper fraction
Write an algebraic expression for each quantity using the given variable.The second angle of a triangle is triple the first. The third angle of the triangle is 
smaller than the first. Use the letter x.
A. x = first angle; 3x = second angle; x + 38 = third angle B. x = first angle; 3x = second angle; 38 - x = third angle C. x = first angle; 3x = second angle; x - 38 = third angle D. x = first angle; x - 38 = second angle; 3x = third angle
Decompose v into two vectors v1 and v2, where v1 is parallel to w and v2 is orthogonal to w.v = i + 4j, w = -3i + j
A. v1 = 
(-3i + j), v2 = 
i + 
j
B. v1 = 
(-3i + j), v2 = 
i + 
j
C. v1 = 
(-3i + j), v2 = - 
i + 
j
D. v1 = 
(-3i + j), v2 = 
i + 
j
Convert the units using unit fractions.17 yd = 
ft
A. 204 B. 153 C. 612 D. 51