Factoring and Solving Quadratics

This lesson covers solving quadratic equations by factoring, focusing on the zero product property and factoring trinomials. It includes examples of factoring and solving quadratic equations, using graphing calculators to verify solutions, and advanced techniques for more complex problems. The lesson emphasizes understanding the relationship between factors and solutions, and how to graph these solutions.

What is the zero product property used for in solving quadratic equations?

• To calculate the vertex of the parabola

• To set each factor equal to zero

• To determine if a quadratic is factorable

• To find the sum of the roots

When factoring a trinomial, what should the product of the two numbers equal?

• The sum of the coefficients

• The leading coefficient

• The constant term

• The coefficient of the x term

How can you verify the solutions of a quadratic equation using a graph?

• By checking the y-intercepts

• By finding the x-intercepts

• By locating the vertex

• By identifying the axis of symmetry

What is the relationship between the solutions of a quadratic equation and its graph?

• Solutions are the maximum points

• Solutions are the x-intercepts

• Solutions are the y-intercepts

• Solutions are the minimum points

Tags

CCSS.HSA-REI.B.4B

In the equation x^2 - 14x + 49 = 0, what are the factors?

• (x - 14)(x + 1)

• (x + 7)(x + 7)

• (x + 14)(x - 1)

• (x - 7)(x - 7)

Tags

CCSS.HSA-REI.B.4B

What is the first step in solving a quadratic equation that is not in standard form?

• Find the vertex

• Graph the equation

• Factor out the greatest common factor

• Move all terms to one side of the equation

When factoring a quadratic with a leading coefficient greater than 1, what should you consider?

• The factors of the leading coefficient

• The product of the roots

• The factors of the constant term

• The sum of the roots

In the equation 2x^2 + 9x - 5 = 0, what is the correct factorization?

• (2x - 5)(x + 1)

• (2x - 1)(x + 5)

• (2x + 5)(x - 1)

• (2x + 1)(x - 5)

Tags

CCSS.HSA-REI.B.4B

What is a common mistake to avoid when factoring quadratics?

• Forgetting to set the equation to zero

• Ignoring the leading coefficient

• Not checking the solutions

• Using the wrong graphing tool

How can you simplify the process of factoring a complex quadratic equation?

• By multiplying all terms by a constant

• By dividing by the greatest common factor

• By guessing the factors

• By using a graphing calculator