Decide whether the equation defines y as a function of x. (Remember that to be a function, every value of x must give one and only one value of y.)x = y2 + 5
A. No
B. Yes
Answer: A
Mathematics
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Solve the system of equations by Gaussian elimination. If there is an unlimited number of solutions, find two of them.x - y + 3z = -2 -x + y - 3z = 4
A. x = 3, y = 2, z = 0 B. x = 0, y = 2, z = 0 C. Inconsistent D. x = 0, y = 0, z = 2
Mathematics
Find the LCM.12, 15
A. 60 B. 15 C. 27 D. 180
Mathematics
Solve for the missing numbers. Markup is based on selling price. Round dollar amounts to the nearest cent.
100%S$ ?
A. 
| 100% | S | $ | 94.41 |
B.
| 100% | S | $ | 52.82 |
C.
| 100% | S | $ | 52.82 |
D.
| 100% | S | $ | 56.97 |
Mathematics
Find a complex number w satisfying the conditions. z = 8 + 3i, Re{w} = Re{z}, 
= 
, w ? z
A. w = -8 + 3i B. w = 8 - 3i C. w = 8 + 3i D. w = -8 - 3i
Mathematics