Find all values of the variable for which the rational expression is undefined.
A. -7
B. 7, 4
C. None
D. 7
Answer: D
Mathematics
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Solve the system. If there is an unlimited number of solutions, find one of them.3x + 2y + z = 42x - 3y - z = 55x + 12y + 5z = 2
A. x = -4, y = 5, z = -2
B. x = 4, y = 5, z = 2
C. Unlimited: x = , y =
, z = 0
D. Inconsistent
Mathematics
Solve for x. Be sure to reduce your answer. Check your solution.-2x = 12
A. x = -6 B. x = 1 C. x = -14 D. x = 14
Mathematics
Find the zero of the linear function.f(x) = 3 - 7x
A.
B. -
C. -
D.
Mathematics
Graph the inequality on the number line.x <
A.
B.
C.
D.
Mathematics