Cramer's rule with three equations Quiz: printable

Cramer's rule with three equations Quiz

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10 questions. Calculator allowed. Show your working. steplyclass.com/algebra-2/cramer-s-rule-with-three-equations/quiz/

1
Solve x + y + z = 6, 2x − y + z = 3, x + 2y − z = 2 by Cramer's rule
Answer: ____________________
2
Solve x + 2y + z = 14, 2x + z = 10, 2x + y + z = 14 by Cramer's rule
Answer: ____________________
3
Solve 3x + y = 1, 2x + 2y + z = −1, 3x + 2y + z = 0 by Cramer's rule
Answer: ____________________
4
Solve x − y + z = 1, 3x − y + z = 5, 2x + y + z = 9 by Cramer's rule
Answer: ____________________
5
Solve 3x + 2y + z = 11, x + y − z = 2, 2x + y = 5 by Cramer's rule
Answer: ____________________
6
Solve x + 2y + z = 2, 3x + y = 10, x + y = 2 by Cramer's rule
Answer: ____________________
7
Solve 3x + y + z = 11, x + y − z = 7, 2x + y + 3z = 6 by Cramer's rule
Answer: ____________________
8
Solve x + 3z = 5, 2x − y + 3z = 5, x + 3y + 3z = 11 by Cramer's rule
Answer: ____________________
9
Solve x + 3y = −3, x + 2y + 3z = −7, 2x + 3y + z = −2 by Cramer's rule
Answer: ____________________
10
Solve x + 2z = 2, x + 2y + z = −2, x − y − z = −3 by Cramer's rule
Answer: ____________________

(x, y, z) = (1, 2, 3)
(x, y, z) = (4, 4, 2)
(x, y, z) = (1, −2, 1)
(x, y, z) = (2, 3, 2)
(x, y, z) = (1, 3, 2)
(x, y, z) = (4, −2, 2)
(x, y, z) = (3, 3, −1)
(x, y, z) = (2, 2, 1)
(x, y, z) = (3, −2, −2)
(x, y, z) = (−2, −1, 2)

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