Solving Quadratic Equations Using Quadratic Formula Basic

Determine the value of a, b , and c in the equation x² + 4x + 3 = 0

• a = 1, b = 4, c = 3

• a = -1, b= -4, c = -3

• a= 1, b = 3, c = 4

• a = 1, b = -3, c = -4

What is the quadratic term in the equation 3y² + y + 4 = 0

• y

• 4

• 3y²

• 3y

What is the quadratic formula?

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• 
• 
• 

What is/are the value/s of x in the equation x² + 5x + 4 = 0 ?

• x = 5 or x = 0

• x = 4 or x = 1

• x = 5 or x = 1

• x = -4 or x = -1

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

Solve for x.  Round to the nearest hundredth if necessary.
4x² + 4x = 3

• x = .5, -1.5

• x = -.5, -1.5

• x = .5, -1.67

• x = -.5, 1.67

Solve

2x²+ 7x = -6

• x= 3/2 and x = 2

• x = -3/2 and x = -2

• x = 6 and x = 7

• x = -6 and x = -7