7.3 Dress Rehearsal (Expressions)

7.3 Dress Rehearsal (Expressions)

PRIORITY ONE​

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Multiple Choice

Question 1: Simplify the expression using the Distributive Property:

$$5\left(3x+8\right)$$  

• $$15x\ +\ 40$$  

• $$15x\ +\ 8$$  

• $$8x\ +\ 13$$  

• $$8x\ +\ 40$$  

Multiple Choice

Question 2: Choose the correct expression being modeled:

• $$3\left(4x\ +\left(-3\right)\right)$$  

• $$12+x-9$$  

• $$12x+9$$  

• $$4x-4x-4x$$  

Multiple Choice

Question 3: Simplify the expression using the Distributive Property:

$$\frac{1}{4}\left(8x-28\right)$$  

• $$4x\ +\ \left(-24\right)$$  

• $$32x\ -\ 112$$  

• $$2x+\left(-7\right)$$  

• $$2x\ +\ 7$$  

Multiple Choice

Question 4: Factor the expression completely:

$$12x\ +\ 42$$  

• $$12x\ +\ 42$$  

• $$6\left(2x+7\right)$$  

• $$6\left(6x\ +\ 36\right)$$  

• $$2\left(6x\ +21\right)$$  

Multiple Choice

Question 5: Factor the expression completely:

$$-4x\ -\ 20$$  

• $$4\left(-x-16\right)$$  

• $$-4x-20$$  

• $$4\left(x-5\right)$$  

• $$-4\left(x+5\right)$$  

Multiple Choice

Question 6: Factor the expression completely:

$$-3x+18$$  

• $$-3\left(x\ +\ 6\right)$$  

• $$3\left(-x+6\right)$$  

• $$-3x+18$$  

• $$3\left(x\ +\ 15\right)$$  

Multiple Choice

Question 7: Select the expression equivalent to  $$10x+9-2x+5$$  

• $$12x-14$$  

• $$8x+14$$  

• $$12x+4$$  

• $$8x-4$$  

Multiple Choice

Question 8: Simplify the expression: $$7-6f+3f-11+8f+2$$  

• $$5f+\left(-2\right)$$  

• $$17f+20$$  

• $$-f+16$$  

• $$3f$$  

Multiple Choice

Question 9: Simplify the expression: $$\frac{1}{4}b+\frac{3}{8}b-3$$  

• $$\frac{3}{32}b-3$$  

• $$\frac{1}{3}b+\left(-3\right)$$  

• $$\frac{4}{12}b-3$$  

• $$\frac{5}{8}b+\left(-3\right)$$  

Poll

How would you rate your understanding of PRIORITY ONE Questions?

• 1 - I don't know anything about this yet.

•  2- I understand some of this but not fully yet.

• 3 - I know how to do this on my own.

• 4 - I can teach and lead others how to do this.

​PRIORITY TWO

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Multiple Choice

Question 10a: The area of a rectangle is A = l x w.  

Write the area of the given rectangle as a product of the given dimensions.

• $$3\ +\ 4x\ +\ 2$$  

• $$3\left(4x+2\right)$$  

• $$3\left(4x\right)\ +\ 2$$  

• $$3\ +\ 4x\ +\ 2\ +\ 3\ +\ 4x\ +\ 2$$  

Multiple Choice

Question 10b: The area of a rectangle is A = l x w.  

Simplify the expression you wrote in part "a".

• $$4x\ +\ 5$$  

• $$12x+6$$  

• $$12x\ +\ 2$$  

• $$8x\ +\ 10$$  

Multiple Choice

Question 11: Simplify the expression:  $$6\left(x-3\right)+5x+7$$  

• $$11x\ +\ 25$$  

• $$22x$$  

• $$11x\ +\ \left(-11\right)$$  

• $$x\ +\ 4$$  

Multiple Choice

Question 12a: For the model to the right:

Write an expression that represents the model.

• $$-7x\ +\ 3$$  

• $$12x\ +\ 12$$  

• $$x\ +\ 3\ +\ x\ +\left(-5\right)+4+x$$  

• $$-7x\ +\ 3+2x+\left(-5\right)+4+3x$$  

Multiple Choice

Question 12b: For the model to the right:

Simplify the expression.

• $$-2x\ +\ 2$$  

• $$12x\ +\ 12$$  

• $$12x\ +\ 2$$  

• $$-2x\ +\ 12$$  

Multiple Choice

Question 13a: A local video game store is advertising $18.25 off the price of each video game. You decide to buy 4 video games. Let p represent the price of each game.

Write a factored expression that represents the total cost of your games.

• $$4\left(p-18.25\right)$$  

• $$18.25p\ +\ 4$$  

• $$18.25\left(4\ +\ p\right)$$  

• $$p\left(18.25-4\right)$$  

Open Ended

Question 13b: A local video game store is advertising $18.25 off the price of each video game. You decide to buy 4 video games. Let p represent the price of each game.

b. What does the number 4 represent in this situation?  Use words to explain.

Multiple Choice

Question 13c: A local video game store is advertising $18.25 off the price of each video game. You decide to buy 4 video games. Let p represent the price of each game.

c. If the price of one video game is $80, how much money will it cost to purchase 4 video games?

• $393

• $247

• $320

• $301.75

Poll

How would you rate your understanding of PRIORITY TWO Questions?

• 1 - I don't know anything about this yet.

•  2- I understand some of this but not fully yet.

• 3 - I know how to do this on my own.

• 4 - I can teach and lead others how to do this.