Quadratic Equations Challenge

Which of the following equations is a quadratic equation?

• 3x + 5 = 0

• 2x^2 + 4x - 3 = 0

• 2x - 4 = 0

• x + 3x = 0

In the quadratic equation 3x^2 + 6x + 4 = 0, what does 'b' represent?

• 3

• 0

• 6

• 4

In the quadratic equation ax^2 + bx + c = 0, what does 'c' represent?

• Sum of roots

• Variable term

• Constant term

• Coefficient of x

Identify the quadratic equation from the following options.

• 4x + 3 = 0

• 2x - 5 = 0

• x^2 - 9 = 0

• x^3 + 9 = 0

What is the main difference between a quadratic equation and a linear equation?

• The color of the paper used

• The font size of the equations

• The number of variables involved

• The highest power of the variable involved.

The following are quadratic equations, EXCEPT:

• 4x + 7 = 0

• 3x^2 + 2x - 5 = 0

• x^2 - 2x - 5 = 0

• x^2 - 6x + 9 = 0

What is the standard form of a quadratic equation?

• ax^2 + bx + c = 0

• ax^2 + c = bx

• ax^2 + bx = c

• ax^2 = bx + c

Identify the value of 'a' in the quadratic equation 2x^2 - 5x + 3 = 0

• a = 0

• a = 3

• a = -5

• a = 2

Identify the value of 'c' in the quadratic equation a^2 - a + 3 = 0

• c = 3

• c = -1

• c = 1

• c = -3

In the quadratic equation 4x^2 + 11x - 5 = 0, which is the quadratic term?

• 11x
• -5
• 4
• 4x^2