Spring Benchmark Review: Part 2

LO- Students will review for part 2 of the spring benchmark

What is the value of3x3 + 2x2 − 4xwhen x = 2?

• Write an expression that is equivalent to4x + 2(8 + 2x).

• The equivalent expression should have only two terms.

• Rewrite the expression

4x + 2(8 + 2x)

• LO- Students will review for spring benchmark

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Joe finds the perimeter of thesquare by finding the product ofThe length of the sides.

Catherine finds the perimeter of the square by finding the sum of the length of the sides.

Write an expression that represents each way thePerimeter was found.

Who was correct?

Line segment LO is one side of parallelogram LMNO

What are the coordinates of O?

If line segment NO passes through the y axis at itsExact middle, Where are the coordinates of N?

Using coordinates of N how Can you find M?

Part A

• A large ice cream cone at Scoops is $3.00• Any additional topping is $0.50

• Write an expression that can be used to find the cost of an ice cream cone with “t” toppings

3.00 + (.50 × t)Cost of the ice cream

Cost of topping

How many toppings

• If Jen orders an ice cream cone with 4 toppings, how much will it cost?

Answer:

3.00 + (.50 × t)= 3.00 + (.50 × 4)= 3.00 + 2.00= $5.00

Part B

A cone with 4 toppings will cost Jen $5.00

• Mike orders 3 ice cream cones. The first cone has an unknown number of toppings, t. The second cone has 2 more toppings than the first, and the third cone has 4 more toppings than the first. Write an expression to find the cost of the ice cream cones Mike orders.

$3.00 + ($.50)t $3.00 + ($.50)(t + 2)$3.00 + ($.50)(t + 4)

$3.00 + ($.50)t + $3.00 + ($.50)(t + 2) + $3.00 + ($.50)(t + 4)

Part C

First ConeSecond ConeThird Cone

• Write an expression that is equivalent to the expression in Part C

• 3.00 + .50t + 3.00 + .50t + 1.00 + 3.00+ .50t +2.00

• 12.00 +1.50t

$3.00 + ($.50)t + $3.00 + ($.50)(t + 2) + $3.00 + ($.50)(t + 4)