Write each relation in standard form. a) y = 3(x-6)² +4 b) y = -2(x + 1)² − 3 c) y = 1.5(x-4)² + 1 d) y = -0.6(x + 2)² − 5 4. Find the y-intercept of each relation in question 3. 5. For each quadratic relation, write an equation in standard form. a) a = 3, vertex at (1,4) b) a = -6, minimum of 10 at x = 4 5.3 Factor Trinomials of the Form mark each x²+bx+c, pages 248-255 6. Factor. a) x² - 13x b) x²-9 c) x² + 11x + 30 d)x² + 2x - 48 e) x² - 11x + 28 1 mar