Factor.49x2 + 56x + 16
A. (7x + 4)(7x - 4)
B. (7x + 4)2
C. (7x - 4)2
D. (49x + 1)(x + 16)
Answer: B
Mathematics
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Perform the operation and reduce to lowest terms.5
× 2 × 
A. 4
B. 10
C. 7
D. 10
Mathematics
Solve the linear equation.3(3x - 1) + 37 = 4x + 4
A. -6 B. -30 C. -150 D. 6
Mathematics
Determine whether the pair of lines is parallel, perpendicular, or neither.y - 4 = - xy - x = 4
A. Parallel B. Perpendicular C. Neither
Mathematics
State the dual problem. Use y1, y2, y3 and y4 as the variables. Given: y1 ? 0, y2 ? 0, y3 ? 0, and y4
Maximizez = 2x1 + 4x2subject to: 9x1 + 3x2 ? 203 x1 + x2 ? 16 2x1 + 6x2 ? 80 x1 ? 0, x2 ? 0
A.
| Minimize | w = 80y1 + 16y2 + 203y3 |
| subject to: | 2y1 + y2 + 9y3 ? 2 |
B.
| Minimize | w = 203y1 + 16y2 + 80y3 |
| subject to: | 9y1 + y2 + 2y3 ? 2 |
C.
| Minimize | w = 80y1 + 16y2 + 203y3 |
| subject to: | 2y1 + y2 + 9y3 ? 2 |
D.
| Minimize | w = 203y11 + 16y2 + 80y3 |
| subject to: | 9y1 + y2 + 2y3 ? 2 |
Mathematics