A-REI.4. quadratic A.REI.4 17 6. Attend to 9-5 equations in one variable. precision. a.Use the method of completing the square to transform any quadratic equation in x into an equation of the form (x p)2 = q that – has the same solutions. Derive the quadratic formula from this form. b Solve quadratic equations by inspection (e.g., for x2 = 49), taking square roots, completing the square, the quadratic formula and factoring, as appropriate to the initial form of the equation. Recognize when the quadratic formula gives complex solutions and write them as a ± bi for real numbers a and b. F.IF.6 Calculate and interpret F.IF.6 29 7. Look for and 9-6 583-589 the average rate of change of make use of a function (presented structure. symbolically or as a table) over a specified interval. Estimate the rate of change from a graph.
A-REI.4. quadratic equations in one variable. a.Use the method of completing the square to transform any quadratic equation in x into an equation of the form (x – p)2 = q that has the same solutions. Derive the quadratic formula from this form. b Solve quadratic equations by inspection (e.g., for x2 = 49), taking square roots, completing the square, the quadratic formula and factoring, as appropriate to the initial form of the equation. Recognize when the quadratic formula gives complex solutions and write them as a ± bi for real numbers a and b. A.REI.4 17 6. Attend to precision. 9-5 F.IF.6 Calculate and interpret the average rate of change of a function (presented symbolically or as a table) over a specified interval. Estimate the rate of change from a graph. F.IF.6 29 7. Look for and make use of structure. 9-6 583-589