Find the ordered triple that belongs to the set.{x, 2x - 8, x - 7|x = 3}
A. (-4, -2, 3)
B. (-4, 3, -2)
C. (3, -2, -4)
D. (3, -4, -2)
Answer: C
Mathematics
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Multiply.(
- 3)(
+ 3)
A. x
+ 3
- 3
- 9
B. x
+ 
- 9
C. x
- 9
D. x
- 9
Mathematics
Solve the problem.The position of a body moving on a coordinate line is given by 
with s in meters and t in seconds. When, if ever, during the interval 
does the body change direction?
A. t = 18 sec B. t = 9 sec C. t = 4.5 sec D. no change in direction
Mathematics
Solve the equation.x2 = -4x
A. x = 0, x = 4 B. x = 4 C. x = 0, x = -4 D. x = -4
Mathematics
Solve the equation by completing the square.p2 + 3p - 9 = 0
A. 
B. {-3 ± 3
}
C. 
D. 
Mathematics