what is the determinant of a 2x2 matrix

the determinant is calculated using the formula ad - bc where a,b,c and d are the following positions in the matrix [a   b                                                                                                                                                                                           c    d]

AT

Related Maths GCSE answers

All answers ▸

Find the coordinates of the point of intersection of the lines 2x + 3y = 12 and y = 7 - 3x.


Rearrange to make x the subject of the equation: 4(3x+y) = 12-2y


Work out the value of (16/81)^(3/4)


How do I go about adding, subtracting, multiplying and dividing fractions?