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Cramer's rule Quiz: printable

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Cramer's rule Quiz

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

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

Answer key

(x, y) = (4, 3)
(x, y) = (3, 2)
(x, y) = (3, 3)
(x, y) = (3, 5)
(x, y) = (3, 1)
(x, y) = (−1, 3)
(x, y) = (2, −2)
(x, y) = (2, 5)
(x, y) = (3, −2)
(a, b) = (2, 1)

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