Simplify the complex number to its rectangular form.
+ 
A. 2
- 4
j
B. 2
+ 4
j
C. -2
D. -2
j
Answer: B
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Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. x - 8
B. 
C. 
D. x + 8
Provide an appropriate response.A pharmaceutical company manufactures 3 drugs for high blood pressure, A, B, and C, each of which requires a 2-step production process. The production cost of each drug has a materials and labor component. If the matrices S1 and S2 represent the costs per ounce associated with each step, use the matrix operations on a graphing calculator to write a matrix that shows the total cost of the two steps.
S1 = 
; S2 = 
What will be an ideal response?
Provide an appropriate response.Find and explain the mistake(s); then work the problem correctly.(4x - 9y)(4x - 9y) = 16x2 + 81y2
What will be an ideal response?
Factor the trinomial, or state that the trinomial is prime.5x2 - 39x + 28
A. (5x - 4)(x - 7) B. (5x - 4)(5x + 7) C. 5(x - 4)(x - 7) D. (5x + 7)(x - 4)