Solve by substitution and check.x - 2y = -2 y = 3
A. (-8, -3)
B. (4, 3)
C. (3, 4)
D. (-8, 3)
Answer: B
Mathematics
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Identify the equation as representing either a circle, a parabola, an ellipse, or a hyperbola.8x2 + 17y2 = 20
A. Circle B. Parabola C. Ellipse D. Hyperbola
Mathematics
Use the graph to determine if f is odd, even, or neither.
A. Neither B. Even C. Odd
Mathematics
Find all solutions to the equation. Express each result in radians.2 cos x - 
= 0
A. 
+ 2n?, 
+ 2n?
B. 
+ n?, 
+ n?
C. 
+ n?, 
+ n?
D. 
+ 2n?, 
+ 2n?
Mathematics
Perform the indicated operation. Write the answer in scientific notation.
A. 5.5 × 1021 B. 5.5 × 1013 C. 6.6 × 105 D. 5.5 × 105
Mathematics