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Question 1 of 5: Solve each system:
$$7x + y + 5z=6$$ $$-x + 6y - 4z=-14$$ $$6x + 5y + z=-8$$
Next »
Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Cool Emoji
A
Infinitely Many Solutions
B
$$(4, 2, 5)$$
C
$$(-6, 6, -7)$$
D
$$(-2, 0, 4)$$
E
No Solution
Question 2 of 5: Solve each system:
$$-x - 6y - z=-31$$ $$2x + 7y + 2z=-16$$ $$x + y + z=1$$
Next »
Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Cool Emoji
A
Infinitely Many Solutions
B
$$(-2, -2, 0)$$
C
$$(6, -4, -1)$$
D
No Solution
E
$$(-1, 5, 3)$$
Question 3 of 5: Solve each system:
$$-2x + 5y + 7z=-27$$ $$-7x - y - 5z=-21$$ $$-x + 5y - 4z=34$$
Next »
Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Cool Emoji
A
No Solution
B
$$(-6, 3, 3)$$
C
$$(3, -6, 0)$$
D
Infinitely Many Solutions
E
$$(6, 4, -5)$$
Question 4 of 5: Solve each system:
$$-7x + 3y + 7z=13$$ $$x + 6y + 7z=27$$ $$-2x - 4y - 4z=-18$$
Next »
Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Cool Emoji
A
$$(7, 2, -6)$$
B
No Solution
C
$$(2, -4, 5)$$
D
Infinitely Many Solutions
E
$$(1, 2, 2)$$
Question 5 of 5: Solve each system:
$$2x - y - z=-5$$ $$6x - 3y + 5z=-15$$ $$-2x + y + 2z=5$$
Finish »
Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Cool Emoji
A
$$(-4, 2, 5)$$
B
$$(6, -6, 0)$$
C
Infinitely Many Solutions
D
No Solution
E
$$(3, -1, -2)$$

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