How do you find 4X given X=[(4,1), (-2,6)] and Y=[(0,-3)] and Z=[(-1,3), (0,-2)]? Precalculus Matrix Algebra Multiplication of Matrices 1 Answer Fleur Jul 4, 2017 Multiply 4 with all the elements in X. Explanation: 4X = 4[(4,1), (-2,6)] = [(color(red)4*4, color(red)4*1), (color(red)4*-2, color(red)4*6)] = [(16,4), (-8,24)] Answer link Related questions What is multiplication of matrices? How do I do multiplication of matrices? What is scalar multiplication of matrices? What are some sample matrix multiplication problems? How do I multiply the matrix ((6, 4, 24),(1, -9, 8)) by 4? How do I multiply the matrix ((3, 0, -19),(0, 7, 1), (1, 1/5, 2/3)) by -6? How do I multiply the matrix ((6, 4, 24),(1, -9, 8)) by the matrix ((1, 5, 0), (3, -6, 2))? Is matrix multiplication associative? If A=((-4, 5),(3, 2)) and B=((-6, 2), (1/2, 3/4)), what is AB? In matrix multiplication, does ABC=ACB? See all questions in Multiplication of Matrices Impact of this question 1768 views around the world You can reuse this answer Creative Commons License