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# Review on A-APR.2 - PowerPoint PPT Presentation

Review on A-APR.2. Do Now. Write down the learning goal Get your folder and update homework log Brainstorm an idea for slacker day. How to use synthetic substitution. We’ll be using this problem: Find f(3) for f(x)=5x^3+3x^2-2x+4 1. Draw a box for the f(x) function

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### Review on A-APR.2

• Write down the learning goal

• Get your folder and update homework log

• Brainstorm an idea for slacker day

• We’ll be using this problem: Find f(3) for f(x)=5x^3+3x^2-2x+4

• 1. Draw a box for the f(x) function

• 2. Write down the coefficients next to it

• 3. Draw a line below that with enough space for another line of numbers.

• 4. Bring down the first coefficient below the line.

• 5. Multiply that same number by the f(x) value and write that underneath the second coefficient but above the line.

• 6. Add the coefficient with the number just written and write sum directly below the line.

• 7. Multiply that number by the f(x) value and write it underneath the third coefficient.

• 8. Add the third coefficient with that same number and write the sum directly below that line.

Example problem that underneath the second coefficient but above the line.

• Find f(3) for f(x)=5x^3+3x^2-2x+4

Another example problem that underneath the second coefficient but above the line.

• Find f(-4) for f(x)=3x^4-2x^2+4

Additional practice that underneath the second coefficient but above the line.

• In the Algebra 2 books, go to page 368

• Do all problems between 13 to 20

Exit Ticket that underneath the second coefficient but above the line.

Find: f(-4) for f(x)=x^3+3x-5x-7

Homework that underneath the second coefficient but above the line.

• 2x^4-5x^2+8x-7, find f(6)

• 5x^2+2x^3-3x^2+6, find f(3)

• 3x-5x^3+3x^2-6x^4, find f(5)