Perform the addition visually using symbols.-9 + (-4)
A. 13
B. -5
C. 5
D. -13
Answer: D
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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 + 2x +
A. 0; 
2
B. 1; 
2
C. 4; 
2
D. 1; 
2
Use the quadratic function to determine if the function has a maximum or minimum value and then find this maximum or minimum value.f(x) = 3x2 - 30x + 78
A. minimum at (5, 0) B. maximum at (3, 0) C. maximum at (3, 5) D. minimum at (5, 3)
Solve graphically. Round solutions to three decimal places, where appropriate.5x2 - 20x + 11 = 0
A. 1.158, 3.842 B. -5.175, -2.492 C. -3.675, -0.992 D. 0.658, 3.342
Find the maximum value of Q(x) subject to the constraints xTx = 1 and xTu = 0, where u is a unit eigenvector corresponding to the greatest eigenvalue of the matrix of the quadratic form.Q(x) = 3
+ 8
+ 4
A. 4 B. 0 C. 3 D. 8