Understanding Factoring and the Zero Product Property

The video tutorial explains the importance of factoring in solving equations, focusing on the zero product property. It demonstrates how to solve equations by setting each factor to zero, using two examples: X(X-5)=0 and (X+4)(2X-5)=0. The tutorial concludes by noting that equations are often not given in factored form, requiring the learner to factor them before applying the zero product property.

Why is factoring an important skill to learn in mathematics?

• It is used to calculate the area of a circle.

• It is necessary for understanding calculus.

• It is only useful for geometry problems.

• It helps in solving certain types of equations.

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What does the Zero Product Property state?

• If A x B = 0, then A and B must both be zero.

• If A x B = 0, then either A or B must be zero.

• If A x B = 0, then A must be greater than B.

• If A x B = 0, then A must be less than B.

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In the equation X(x - 5) = 0, what are the possible values of X?

• X = 0 or X = -5

• X = 5 or X = 10

• X = 0 or X = 5

• X = 5 or X = -5

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CCSS.HSA-REI.B.4B

What is the first step to solve the equation X(x - 5) = 0?

• Subtract 5 from both sides

• Multiply both sides by 5

• Add 5 to both sides

• Set each factor equal to zero

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In the equation (X + 4)(2X - 5) = 0, what is one of the solutions for X?

• X = -4

• X = 4

• X = 2.5

• X = 5

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How do you solve for X in the equation 2X - 5 = 0?

• Add 2 to both sides and then divide by 5

• Multiply both sides by 5 and then divide by 2

• Add 5 to both sides and then divide by 2

• Subtract 5 from both sides and then multiply by 2

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CCSS.HSA-REI.B.4B

What happens when X = -4 in the equation (X + 4)(2X - 5) = 0?

• Neither factor becomes zero

• The first factor becomes zero

• The second factor becomes zero

• Both factors become zero

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What is the solution for X in the equation 2X = 5?

• X = 0

• X = 2.5

• X = -2.5

• X = 5

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Why might equations not be given in factored form?

• Because they are often more complex in standard form

• Because it is easier to solve them in standard form

• Because they are usually given in graphical form

• Because factoring is not always possible

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What is the final step after factoring an equation to solve it?

• Multiply the factors together

• Set each factor equal to zero

• Add the factors together

• Divide the factors by each other

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