ACCUMATH PROFICIENCY WORKSHOP(APW)

• 7 + 26i

• 7 - 26i

• -7 + 26i

• -7 - 26i

Simplify : (11 - 2i) - (9 + 7i)

• 2 + 9i

• 2 - 9i

• 9 + 2i

• 9 - 2i

Find modulus of -3 + 8i.

• 8.54

• • - 8.54

• 18.54

• -18.54

• 6.27 + 3.35i

• 6.27 - 3.35i

• -6.27 + 3.35i

• -6.27 - 3.35i

Solve the following operation of matrices.

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Solve the following operation of matrices.

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Find inverse of the following matrix.

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Find the determinant of the following matrix

• 4

• -4

• 16

• -16

Find the values of  x, y and z in the following equations.

2x - y + z = 2

3x + y + 2z = 5

4x + 2y + 3z = 7

• x = 2, y = 1, z = 1

• x = -2, y = 1, z = 1

• x = -2, y = 1, z = -1

• x = 2, y = 1, z = -1