Divide.
A. 
+ i
B. - 
- i
C. - 
+ i
D. 
- i
Answer: B
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The graph of f(x) = ax2 + bx + c is given in the figure. Determine whether the discriminant is positive, negative, or zero.
A. Negative B. Zero C. Positive
Graph the function using its vertex, axis of symmetry, and intercepts.f(x) = x2 + 10x + 25
A. vertex (5, 0)
intercepts (0, 25), (5, 0)
B. vertex (-5, 0)
intercepts (0, 25), (-5, 0)
C. vertex (5, 25)
intercept (0, 50)
D. vertex (-5, 25)
intercept (0, 50)
Subtract.
A. 47 B. 89 C. 37 D. 31
Use a graphing calculator to find the location of all relative extrema (to three decimal places).f(x) = x5 - 15x4 - 3x3 - 172x2 + 135x + 0.058
A. Relative maximum at x = 0.379; relative minima at x = -0.472 and x = 12.565 B. Relative maximum at x = 0.463; relative minima at x = -0.572and x = -12.608 C. Relative maximum at x = 0.386; relative minimum at x = -12.521 D. Relative maximum at x= 0.379; relative minimum at x = 12.565