Solve the system of equations by graphing. If the system is inconsistent or the equations are dependent, say so.x = -yy + x = 6
A. ? (inconsistent system)
B. {(x, y)|x = -y} (dependent equations)
C. {(1, 5)}
D. {(1, 1)}
Answer: A
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Name the conic (horizontal ellipse, vertical hyperbola, and so on) corresponding to the given equation.
- 
= 1
A. Vertical parabola B. Vertical hyperbola C. Horizontal ellipse D. Horizontal hyperbola
Write the sentence as an equation. Let the variable x represent the number.Five times a number is equal to 30 decreased by the number.
A. 5 + x = 30 - x B. 5x = 30 + x C. 5x = 30 - x D. 5x = x - 30
Divide, if possible. If a quotient is undefined, state so.-48 ÷ 8
A. -5 B. -7 C. -6 D. 6
Multiply, omitting zeros in the calculation and then replacing them at the right of the product to obtain the final answer. 
A. 1,380,000 B. 1,379,501 C. 1,381,000 D. 1,379,000