Question 1 of 5Solve each System in 3 Variables
$$5x+3y-z=19$$$$-x+2y-6z=-8$$$$-6x-4y-6z=-14$$
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Select the Correct Answer Below: Correct! Not Correct!
A
$$(6,-4,-1)$$
B
No Solution
C
$$(8,-2,15)$$
D
$$(1,-3,-2)$$
E
$$(12,5,-7)$$
Question 2 of 5Solve each System in 3 Variables
$$4x+2y-3z=-25$$ $$-x+y+4z=30$$ $$2x-5y+2z=-25$$
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Select the Correct Answer Below: Correct! Not Correct!
A
$$(-5,5,5)$$
B
$$(-1,3,9)$$
C
No Solution
D
$$(19,17,-4)$$
E
$$(1,0,-2)$$
Question 3 of 5Solve each System in 3 Variables
$$-3x+5y+3z=-14$$ $$-x-2y-z=14$$ $$-3x+4y-z=-2$$
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Select the Correct Answer Below: Correct! Not Correct!
A
Infinite Solutions
B
No Solution
C
$$(-5,-13,-11)$$
D
$$(-1,3,-7)$$
E
$$(-4,-4,-2)$$
Question 4 of 5Solve each System in 3 Variables
$$4x-2y-4z=-16$$ $$2x-y-2z=6$$ $$-5x-6y-3z=-30$$
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Select the Correct Answer Below: Correct! Not Correct!
A
$$(-1,-1,-5)$$
B
Infinite Solutions
C
No Solution
D
$$(0,5,-11)$$
E
$$(8,4,-9)$$
Question 5 of 5Solve each System in 3 Variables
$$-4x-2y-5z=17$$ $$-2x+4y+z=11$$ $$-3x-6y-4z=-4$$
Finish »
Select the Correct Answer Below: Correct! Not Correct!
A
$$(11,-8,7)$$
B
$$(3,7,-8)$$
C
$$(2,-3,-7)$$
D
$$(0,4,-5)$$
E
No Solution

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