Solving Quadratics by the Quadratic Formula

Solve using the quadratic formula.

x² +12x - 5 = 0

• X = 6 + √41 or 6 − √41

• X= 35 or 47

• X = −6 + √41 or −6 − √41

• X = √35 or √47

Use the quadratic formula to find the solutions for

y = -x² - 5x + 12

• -4.9 and -0.1

• -8.54 and 8.54

• -0.45 and 3.55

• -6.77 and 1.77

Use the quadratic formula to solve: n² = 9n - 20

• n = 4, -5

• n = -4, 5

• n  = -4, -5

• n  = 4, 5

Use the quadratic formula to solve 2x² + 2x - 12?

• -2, 3

• 2, 3

• 2, -3

• -2, -3

Mathematical Equivalence

ON

Mathematical Equivalence

ON

Mathematical Equivalence

ON

Mathematical Equivalence

ON

Mathematical Equivalence

ON

Mathematical Equivalence

ON