Use grouping to help factor the expression.x3 + 3x2 - 64x - 192
A. (x + 8)(x - 8)(x + 3)
B. (x - 8)(x - 8)(x + 3)
C. (x - 3)(x + 8)2
D. (x + 8)(x - 3)2
Answer: A
You might also like to view...
Solve the problem.Find all points on the curve y = sin x, 0 ? x ? 2?, where the tangent line is parallel to the line 
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Use the information given to draw a bar graph. Clearly label the bars. The following table shows the number of visitors at a jazz festival in various years. Make a vertical bar graph to illustrate the data. 
What will be an ideal response?
Determine the x- and y-intercepts of the graph of the quadratic equation.y = x2 + 4x - 7
A. x-intercepts: none; y-intercept: -7
B. x-intercepts: 1 - 
, 1 + 
; y-intercept: -7
C. x-intercepts: -2 - 
, -2 + 
; y-intercept: -7
D. x-intercepts: -1 - 
, -1 + 
; y-intercept: -7
Solve the problem.The area of a circle is found by the equation A = ?r2. If the area A of a certain circle is 4? square centimeters, find its radius r.
A. r = 2? cm
B. r = ± 2 cm
C. r = 2 cm
D. r = 2
cm