What are the intervals make
the function y=x^2-2x-48 is positive

Find the value of x. round the length to the nearest tenth

|z| > (1/2) {-1/2, 1/2} {z|(-1/2) < z < (1/2)} {z|z < (-1/2) ∪ z > (1/2)}

If a triangle given by the matrix  [2 3 5 -1 0 2]  is dilated by a scale factor of 2, what will happen to the side lengths and angle measures of the triangle