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
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All answers ▸If 3x^2 = 48 find x
Sam uses 140g of flour to make 12 cakes. How much flour will Sam need to make 21 cakes?
expand (x-3)^2
FIRSTLY: John has a slice of pizza in the exact shape of an isosceles triangle. 2 sides measure Y + 5 and 1 side measures Y – 2. Write an expression for the total perimeter. SECONDLY: Multiply out the following brackets: (3Y + 8)(3Y + 2)