Use the discriminant to determine the number and type of solutions for the equation.x2 - 7x - 1 = 0
A. Two complex-number solutions
B. Two real-number solutions
C. One real-number solution
Answer: B
Mathematics
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Solve and give interval notation for the solution set. Then graph the solution set.-2 < -4z + 2 ? 14
A. (-3, 1]
B. [-1, 3)
C. (-1, 3]
D. [-3, 1)
Mathematics
Solve the problem.Let f(x) = x2 + 44x - 2880. Find f(-4).
A. f(-4) = -64 B. f(-4) = -88 C. f(-4) = 36 D. f(-4) = -80
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.- 
- 
A. 
B. 
C. 
D. 
Mathematics
Use the formula W = fd, where f represents a force, and d represents the distance that the force is applied.Find the work done, W, where f = 
and d = 
.
A. W = 121.0 B. W = 21.0 C. W = 212,100.0 D. W = 22.0 E. W = 210,000.0
Mathematics