Quiz Review - 8.6 and 8.9 Factoring and Quadratic Formula

Quiz Review - 8.6 and 8.9 Factoring and Quadratic Formula

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Open Ended

$$3x^3+24x^2+36x=0$$   What is the first thing you should to find the solutions to this equation?

Open Ended

$$3x\left(x^2+8x+12\right)=0$$    What should you do now to find the solutions to this equation?

Multiple Choice

What is the first step to solve  $4x^2-21x-18=0$  by factoring?

• factor out a 4

• find the factors of -21

• multiply 4 and -18

• find factors of -18

Open Ended

$$4x^2-21x-18=0$$  You multiplied 4 and -18 together to get -72.  What do you do now to factor this equation?

Open Ended

$$4x^2-21x-18=0$$  What are the factors of this equation?

Multiple Select

What are the solutions of the graph shown? Check all that apply!

• -6

• -2

• 8

• 6

• 2

Multiple Select

What is/are the solution(s) of  $$x^2-14x=-13$$  ?  Check all that apply!

• -1

• 1

• -13

• 13