3. By solving the equation x2 + 4x = 12 using trial and error, solutions are:
A) {-2, 2} B) {-6, 2} C {6, -2} D) {-1, 1}

Which is an x-intercept of the graphed function? (0, 4) (–1, 0) (4, 0) (0, –1)

Arectangular garden measures 5m by 7m. both dimensions are to be extended by the same amount so that the area of the garden is doubled. by how much should the dimensions increase, to the nearest tenth of a metre?

Find the exact value of cos(arcsin( one fourth for full credit, explain your reasoning. (2 points)