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13.2 More on Solving Quadratic Equations. Goals: To solve ax ² =k -To solve by factoring into a binomial square To solve using (x +a) ² =k. Solving Quadratic Equations. Solving Quadratic Equations. To Solve in the form ax ² =k. Divide both sides by a Take the square root of both sides
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13.2 More on Solving Quadratic Equations Goals: • To solve ax² =k • -To solve by factoring into a binomial square • To solve using (x +a)² =k
To Solve in the form ax² =k • Divide both sides by a • Take the square root of both sides • Remember to use + • Simplify (rationalize denominators)
Solving Quadratic Equations or Rationalize:
To solve in the form (x +a)²=k • Take the square root of both sides • Solve for x
+5 +5 +5 +5 Solve
-2 -2 -2 -2 Solve
If you can make a binomial square…do it Binomial Square- a² +2 ab +b² = (a +b)² a² -2 ab +b² = (a-b)²
Solve (x -7)² =3
Projectile height Toy rocket leaves ground at 25m/second. How high will it be in 2 seconds? In how many seconds will it hit the ground