Quadratic Equations #1

It is a polynomial equation of degree two that can be written in the form

ax² + bx + c = 0, where a, b, and c are real numbers and a ≠ 0.

• Linear Equation

• Quadratic Equation

• Linear Inequality

• Quadratic Inequality

Which of the following is a quadratic equation?

• 3x² + 5r – 1

• x² + 4x - 6 = 0

• 5t – 8 = 9

• 4x² – 6x ≤ 2

In quadratic equation 3x² + 6x – 3 = 0, which is the quadratic term?

• x²

• 6x

• 3x²

• -3

What is the numerical coefficient of a in the quadratic equation 3x² + 5x - 10 = 0?

• 5x

• 3

• 3x²

• -10

What is 2x ² + 12x = 10 in standard form of quadratic equation?

• 2x² + 2x +10=0

• 2x² – 12x -10 = 0

• 2x² +12x + 10=0

• 2x² +12x - 10 =0

What is the numerical coefficient of b in the equation 2x² - 6x = 3?

• 6

• -6

• 2

• -2

Which of the following is NOT a quadratic equation?

• x² – 5x + 3 =0

• 3x – x = 10

• (x+6) (x-6) = -2x

• ( x-2)² + 6=0

What is c when x² = 5x is expressed in standard form?

• 0

• 1

• 2

• 5

What is a, b, and c for this quadratic equation 3x²–2x+2= 0?

• a =3, b = -2, c= 2

• a =3, b = -2, c= 0

• a = 3, b = 2, c= 2

• a =-3, b = 2, c= 0

What is the standard form of the quadratic equation 3x² - 9 = 7?

• 3x² – 9x = 7

• 3x² – 9x + 7 = 0

• 3x² – 3x – 7 = 0

• 3x² – 9x – 7 = 0