The graph of f(x) = ax2 + bx + c is given in the figure. Determine whether the discriminant is positive, negative, or zero.

A. Positive
B. Negative
C. Zero


Answer: B

Mathematics

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Find an approximate value for the integral, using the Parabolic Rule, with n intervals. n = 4

A. 154 B. 136 C. 138 D. 68

Mathematics

Determine the measure of the interior angle at vertex A.

A. 240 B. 54 C. 144 D. 180

Mathematics

Solve the problem.A landscaping company sells 40-pound bags of top soil. The actual weight x of a bag, however, may differ from the advertised weight by as much as 0.75 pound. Write an inequality involving absolute value that expresses the relationship between the actual weight x of a bag and 40 pounds. Over what range may the weight of a 40-pound bag of to soil vary?

A. |x - 40| ? 0.75; {x|39.25 ? x ? 40.75} B. |x - 40| ? 0.75; {x|x ? 39.25 or x ? 40.75} C. |x - 40| < 0.75; {x|39.25 < x < 40.75} D. |x - 40| ? 0.75; {x|39.25 ? x ? 40.75}

Mathematics

Solve the radical equation. Check all proposed solutions. + 8 = x + 4

A. x = -4, 
B. x = 8
C. x = -4
D. x = 2, 8

Mathematics