Advanced Algebra: Quadratic Equations (G9)

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question 1 of 4 Grade: Nine - G9

Q: Given that P = [[0, -1], [1, 0]] and Q = [[3, 4], [-2, -1]], find the matrix PQ.

Add the two equations: 3x + 5x + 2y - 2y = 10 + 22 => 8x = 32 => x = 4. Substitute into first: 3*4 + 2y = 10 => 12 + 2y = 10 => 2y = -2 => y = -1.

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Add the two equations: 3x + 5x + 2y - 2y = 10 + 22 => 8x = 32 => x = 4. Substitute into first: 3*4 + 2y = 10 => 12 + 2y = 10 => 2y = -2 => y = -1.

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