Evaluate. Assume that all variables represent positive numbers. |-9.7|
A. 9.7
B. -9.7
C. 0
D. 19.4
Answer: A
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Perform the indicated operation. Write the result in the form a + bi.
A. 
- 
i
B. 
- 
i
C. 
+ 
i
D. 
- 
i
Find the axis of symmetry of the given function.f(x) = 7x - 2x2 + 2
A. x = 
B. x = - 
C. x = 
D. x = - 
Answer the question.Let P be a polynomial function with a leading coefficient of 1 and having the following zeros: 3 (multiplicity 1), -1 (multiplicity 3), 8 (multiplicity 2), and -9 (multiplicity 4). State the degree of P and write P(x) in factored form.
A. Degree 4; P(x) = (x - 3)(x + 1)(x - 8)(x + 9) B. Degree 10; P(x) = (x + 3)(x - 1)3(x + 8)2(x - 9)4 C. Degree 10; P(x) = (x - 3)(x + 1)3(x - 8)2(x + 9)4 D. Degree 14; P(x) = (x - 3)2(x + 1)4(x - 9)3(x - 9)5
Use the discriminant to determine whether the equation has two distinct real solutions, a single real solution, or no real solution.x2 + 2x + 1 = 0
A. two real solutions B. no real solution C. one real solution