Quadratic Equations and Functions

This video tutorial demonstrates how to solve a quadratic equation using the quadratic formula. It begins by explaining the formula and identifying the coefficients a, b, and c in a quadratic equation. The tutorial then applies the formula to an example equation, simplifying the solution through arithmetic to find the final solutions. The process is broken down into clear steps, emphasizing the importance of correctly identifying and using the coefficients.

What is the quadratic formula used for solving quadratic equations?

• ax^2 + b = 0

• ax^2 + bx + c = 0

• ax + b = 0

• x^2 + bx + c = 0

In the quadratic formula, what does 'a' represent?

• The solution to the equation

• The coefficient of x^2

• The coefficient of x

• The constant term

What is the value of 'b' in the equation 9x^2 - 9x + 2?

• 9

• -9

• 2

• 0

What operation is performed first when using the quadratic formula?

• Subtraction

• Addition

• Taking the square root

• Multiplication

What is the result of squaring -9 in the quadratic formula?

• -9

• -81

• 81

• 9

What is the value of the expression 81 - 72?

• 72

• 9

• 18

• 0

What is the square root of 9?

• 9

• 1

• 2

• 3

What is the simplified form of 12/18?

• 1/3

• 3/4

• 1/2

• 2/3

What is the simplified form of 6/18?

• 1/2

• 2/3

• 1/4

• 1/3

What are the solutions to the equation 9x^2 - 9x + 2?

• x = 2/3 and x = 1/3

• x = 2/3 and x = 3/4

• x = 1/4 and x = 3/4

• x = 1/2 and x = 1/3