Solving by Using 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

Solve using the quadratic formula...
9x² = 4 + 7x

• x = 2 and x = 3

• x = -1 and x = .25

• x = 1 and x = -.45

• x = 1.16, and x = -.38

Solve Using the Quadratic Formula 
2x² + 7x - 15 = 0

• -1.5 or 5

• No Solution

• -5 or 1.5

• 0.7 or 5

Solve:
 -2x² + 4x = 9

• (2 - i√14)/2   ,  (2 + i√14)/2

• (2 - i√-56)/2   ,  (2 + i√-56)/2

• (2 - i√-14)/2   ,  (2 + i√-14)/2

• (2 - √14)/2   ,  (2 + √14)/2

Mathematical Equivalence

ON

Mathematical Equivalence

ON

Mathematical Equivalence

ON

Mathematical Equivalence

ON

Fill in the formula =​ = ​ = ​

• -6

• 1

• -40

• -1

• 6

• 40