Solve the system by graphing. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(-4, 2)}
B. {(-2, 4)}
C. no solution; ?
D. {(2, -4)}
Answer: D
Mathematics
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Graph the function. Determine the symmetry, if any, of the function.y = 5
A. Symmetric about the x-axis
B. Symmetric about the x-axis
C. No symmetry
D. No symmetry
Mathematics
Write the numbers in order of increasing size.5.23, 4.78, 4.87, 5.32
A. 4.87, 4.78, 5.32, 5.23 B. 4.78, 4.87, 5.23, 5.32 C. 4.78, 5.23, 4.87, 5.32 D. 5.32, 5.23, 4.87, 4.78
Mathematics
Evaluate.C(10, 5)
A. 504 B. 30,240 C. 252 D. 126
Mathematics
Solve the system by the substitution method.3y - x = 10x2 + y2 - 100 = 0
A. 
B. {(10, 0), (-10, 0), (8, 6)}
C. {(-10, 0), (8, 6)}
D. 
Mathematics