Find the axis of symmetry of the graph of the parabola.f(x) = -(x + 4)2 - 4
A. x = -5
B. x = -4
C. x = 4
D. x = -3
Answer: B
Mathematics
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Find the magnitude and direction angle (to the nearest tenth) for each vector. Give the measure of the direction angle as an angle in [0,360°].
A. 10; 225°
B. 20; 45°
C. 10
; 45°
D. 10
; 225°
Mathematics
Find the term that should be added to the expression to form a perfect square trinomial. Write the resulting perfect square trinomial in factored form.x2 + 3x
A. 
; 
2
B. 0; 
2
C. 0; 
2
D. 
; 
2
Mathematics
Complete the ordered pair for the given equation.9x + y = -38(0, )
A. (0, -47) B. (0, -342) C. (0, -38) D. (0, -5)
Mathematics
Classify the angle as acute, right, obtuse, or straight.
A. Obtuse B. Right C. Acute D. Straight
Mathematics