SWBAT Finding the roots of quadratic equation graphically

SWBAT - Finding the roots of quadratic equation graphically, square root method and factoring Unit 3 Day 1

Day 1 - Finding the roots of quadratic equation graphically, square root method and factoring y = -2 x 2 – 4 x - 2 ● ● ● ●●● ●

Day 1 - Finding the roots of quadratic equation graphically, square root method and factoring State the x-intercepts: x = -2 and x = 3 State the x intercepts: x = -1

Day 1 - Finding the roots of quadratic equation graphically, square root method and factoring 0 = x 2 – 8 x + 12 0 = (x – 2)(x – 6) x-2 = 0 x=2 x-6 = 0 x=6 ● ● ●

Day 1 - Finding the roots of quadratic equation graphically, square root method and factoring

Day 1 - Finding the roots of quadratic equation graphically, square root method and factoring 0 = x 2 – 4 x - 45 0 = (x – 9)(x + 5) x-9 = 0 x=9 X+5 = 0 x=-5 0 = 3 x 2 – 5 x - 2 0 = 3 x 2 – 6 x + 1 x - 2 0 = x 2 + 12 x + 35 0 = (x + 7)(x + 5) 0 = 3 x(x – 2) + 1(x – 2) x+7 = 0 0 = (3 x + 1)(x – 2) 3 x+1 = 0 X-2 = 0 x=2 x = x=-7 x+5 = 0 x=-5

Day 1 - Finding the roots of quadratic equation graphically, square root method and factoring

Day 1 - Finding the roots of quadratic equation graphically, square root method and factoring

Day 1 - Finding the roots of quadratic equation graphically, square root method and factoring

Day 1 - Finding the roots of quadratic equation graphically, square root method and factoring

Day 1 - Finding the roots of quadratic equation graphically, square root method and factoring

Day 1 - Finding the roots of quadratic equation graphically, square root method and factoring

Day 1 - Finding the roots of quadratic equation graphically, square root method and factoring