Use the quadratic formula to find the exact solutions.x2 + 5x = 14
A. -7, 2
B. 7, 2
C. -7, -2
D. -2, 7
Answer: A
Mathematics
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Use a system of linear equations to solve the problem.A flat rectangular piece of aluminum has a perimeter of 60 inches. The length is 14 inches longer than the width. Find the width.
A. 36 in. B. 30 in. C. 22 in. D. 8 in.
Mathematics
Identify the greatest common factor.19x4 - 76x2
A. 19x B. 76x2 C. 19x4 D. 19x2
Mathematics
Solve the equation.
+ 
= 
A. -7 B. 0 C. 5 D. No solutions
Mathematics
Solve the linear programming problem.Maximize 6x1 + 8x2subject to x1 - 2x2 ? -4 -5x1 + x2 ? -15and x1 ? 0, x2 ? 0
A. Maximum = 
when x1 = 
and x2 = 
B. Infeasible
C. Unbounded
D. Maximum = 16 when x1 = 0 and x2 = 2
Mathematics