Teagan's Algebra Class

Teagan's Algebra Review For Quadratics :)

By Teagan Parke

Quadratic Functions

Foiling Method

Foil stands for First, Outer, Inner, and Last. You start by multiplying the first numbers in each parenthesis. Then the outer 2. And then the inner 2.​ Finally you do the last 2 numbers. You then add them all together.

Quadratic Functions

Foiling Method

​Here is an example of someone foiling an equation.

Multiple Choice

What does the equation (3x + 4) (2x + 1) simplify to?

• $$6x^2+11x+4$$  

• $$12x^2+12x+4$$  

• $$5x^2+10x+3$$  

• $$6x^2+12x+4$$  

Multiple Choice

What does the equation (2x + 3) (5x - 8) simplify to?

• $$10x^2-1-24$$  

• $$10x^2+x+24$$  

• $$10x^2-x-24$$  

• $$10x^2-x+24$$  

Draw

Draw a portrait of a kid in this class

Quadratic Functions

​Lattice Method

​In the Lattice Method you have to use a box. You cut your box into fourths. On top of the box you put your first set of parenthesis. On the side you put your second set of parenthesis. You then multiply them together. Then add up all of the boxes. That's your final product!

Some text here about the topic of discussion

​Here is an example of a lattice square.

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Lattice Method

​

Multiple Choice

Using the Lattice Method, what does this equation simplify to? (x - 2) (x + 3)

• $$x^2+x-6$$  

• $$x^2-1x+6$$  

• $$x^2+x-5$$  

• $$x^2-x+5$$  

Multiple Choice

Using the Lattice Method, simplify this equation. (x - 4) (x + 34)

• $$x^2-34x-134$$  

• $$x^2+34x+136$$  

• $$x^2+30x-136$$  

• $$x^2-30x+134$$  

Fill in the Blanks

mr zehnder has a pet monkey (true/false)

Quadratic Functions

X-Intercepts

To find the x-intercepts you look in the parenthesis. The second number in the first set is the first x-intercept. But, since it's​ inside of the parenthesis, it's opposite. So if it were -1, it would just be 1! And then the second number of the second set is the second x-intercept. Again, since it is inside the parenthesis it is opposite.

Some text here about the topic of discussion

Quadratic Functions

​X-Intercepts

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​In this image, the x-intercepts are -2 and 3. So the equation will be

(x + 2) (x - 3)​

Multiple Choice

What are the x-intercepts of this equation? (x - 7) (x + 3)

• (-7,0) and (3,0)

• (7,0) and (3,0)

• (-7,0) and (-3,0)

• (7,0) and (-3,0)

Multiple Choice

What are the x-intercepts of this equation? (x - 4) (x + 26)

• (4,0) and (26,0)

• (4,0) and (-26,0)

• (-4,0) and (-26,0)

• (-4,0) and (26,0)

Open Ended

What is your favorite part of quadratic functions?

Poll

How did you like this EOC review quiz?

• Great :D

• Good :)

• Okay :|

• Bad :(