Solve the system of equations by using elimination by addition.
A. (-4, -1)
B. (4, 0)
C. Inconsistent
D. (-5, 0)
Answer: A
Mathematics
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Solve the compound inequality. Write your answer in interval notation or state that there is no solution.1 - 3x ? 7 or 7x + 3 ? -25
A. [-2, ?) B. (-?, ?) C. (-?, -4) ? (-2, ?) D. (-?, -4] ? [-2, ?)
Mathematics
Solve by elimination.-7x + 6y = -30-4x + 3y = -15
A. No solution B. (0, -5) C. (0, -4) D. (-1, -4)
Mathematics
Evaluate the expression.
+ 
A. 
B. 
C. 
D. 
Mathematics
Find the vertex.f(x) = -(x + 2)2 + 5
A. (5, -4) B. (- 5, -2) C. (-2, 5) D. (-5, 2)
Mathematics