Solving Quadratic Equations by Using the Quadratic Formula

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

How to write the standard form of the quadratic equation?

• ax + x + c = 0

• ax² + bx = c

• ax² + bx + c = 0

• c + bx + ax² = 0

Solve x² + 5x = 0

• x = 0 or x = 2

• x = 3 or x = 2

• x = 4 or x = 1

• x =-5 or x = 0

What is the value of b in the equation 2x² + 4 - 6x =0

• -6

• 4

• -2

• 1

Write in the standard form 7 + 2x = 5x²

• 5x² + 2x + 7 = 0

• -5x² +2x + 7 = 0

• -5x² + 7 + 2x = 0

• 2x + 7 + -5x² = 0

How many solutions are there in the equation x² + 10x + 25 = 0?

• 2

• 3

• 4

• 5

Solve x² - x - 12 = 0

• x = -6 or x = 2

• x = 12 or x =-1

• x = -11 or x = 1

• x = 4 or x = -3