Solve the equation by completing the square. Express any complex numbers using i notation.x2 + 10x = -10
A. x = 5 + 
B. x = -5 ± 
C. x = -10 + 
D. x = 5 ± 
Answer: B
Mathematics
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Simplify the expression by using the order of operations.8 ? (8 - 7) + 
A. 32 B. 123 C. 60 D. 11
Mathematics
Use the graph to solve the given equation.x2 - 3x - 10 = 0. y = x2 - 3x - 10
A. -2, 5 B. -5, -2 C. 5, 2 D. -5, 2
Mathematics
Simplify, where possible.7y - 3(3y - 2)
A. -2y - 6 B. 7y + 6 C. -2y - 2 D. -2y + 6
Mathematics
Solve using the elimination method. Use a graphing calculator to check your answer.
x + 
y = 4
x - 2y = 21
A. (6, -8) B. (6, 8) C. (-6, -8) D. (-6, 8)
Mathematics