Express each equation in slope-intercept form. Without graphing the equations, state whether the system of equations has exactly one solution, no solution, or an infinite number of solutions.x + y = -6x - y = 11
A. infinite number of solutions
B. one solution
C. no solution
Answer: B
Mathematics
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Solve the inequality graphically.|
x + 2| > |
x - 2|
A. (0, 16) B. (-?, 16) C. (16, ?) D. (-?, 0) ? (16, ?)
Mathematics
Multiply the expressions.(2r - 5)(2r + 5)
A. 2r2 - 25 B. 4r2 - 20r - 25r2 C. 4 + 20r - 25r2 D. 4r2 - 25
Mathematics
Answer the question.In the "Big Bucks" lottery game, a person is to pick 4 digits from 0 to 9 in correct order. If a number can be repeated, how many ways are there to play the game?
A. 262,144 B. 100,000 C. 10,000 D. 1,048,576
Mathematics
Graph the ellipse.16x2 + 9y2 = 144
A. 
B. 
C. 
D. 
Mathematics