Answer:
To calculate the gradient of a straight line we choose two points on the line itself. The difference in height (y co-ordinates) ÷ The difference in width (x co-ordinates).
so it is 0.2
Answer:
matrices can be added together if both have the same order
Addition is both commutative and associative
matrices can be multiplied together if the number of column in the right hand matrix equals the number of row in the left hand matrix
I think if you divide 2, the answer is 3......1
if 3, the answer is 2......1
if 4, the answer is 1......3
if 5, the answer is 1......2
if 6, the answer is 1......1
