Check in 2 - review

Check in 2 - review

By Renee Duncan

Multiple Choice

Which expression is equivalent to (6x+3)+(-3x+4)

• 9x+7

• 3x-1

• 3x+7

• 9x+7

Multiple Choice

Annie made $1200 last summer mowing lawns. She wants to make $1,500 this summer. If she charges each customer $150 to mow once a week for the entire summer, how many more lawns does she need to mow to make $1,500?

• 2

• 8

• 10

• 12

Multiple Choice

1) Which expression is equivalent to -10x+18

• A) ​-2(5x-9)

• B) 2(-5x-9)​

• ​

  C) -2(5x+18)

• D) 2(5x+9)​

Multiple Choice

$$-3\ \frac{5}{6}-2\ \frac{3}{4}+2\ \frac{1}{4}$$

• $$-1\ \frac{1}{6}$$

• $$-4\ \frac{1}{3}$$

• $$1\ \frac{1}{3}$$

• $$1\ \frac{1}{6}$$

Multiple Choice

​Mrs. Davis has a box of magnets. Each magnet weighs the same amount. When Mrs. Davis places 12 magnets on the scale, the total weight is 21.6 grams. Which equation models the weight (in grams) w, of m, magnets.

• ​A) w=1.8m

• B) w=259.2m​

• C) w=9.6m

• D) w=0.56m​

Multiple Choice

​which one has a 50% chance of happening?

• ​1) rolling a fair number cube and landing on 3

• 2) rolling a fair number cube and landing on 1 or 2

• 3) flipping a coin and landing on tails

• 4) ​a fair spinner with equal parts red, blue, and white

​My 25 gallon sink fills at a constant rate. It has 5 gallons after 10 minutes. At what rate in gallons per minute does my sink fill?

Fill in the Blanks

​My 25 gallon sink fills at a constant rate. It has 5 gallons after 10 minutes. At what rate in gallons per minutes does my sink fill?

Kyle flips a coin twice and then rolls a fair number cube.

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What is the probability of the number cube landing on an odd number and the coin landing on tails both times?

Some text here about the topic of discussion

Multiple Choice

Kyle flips a coin twice and then rolls a fair number cube.

​

What is the probability of the number cube landing on an odd number and the coin landing on tails both times?

• $$\frac{1}{2}$$  

• $$\frac{1}{4}$$  

• $$\frac{1}{8}$$  

Multiple Choice

​A teacher has the names of the students in her class written on pieces of paper and placed in a cup. There are 9 boy's in a class and 11 girls. What is the probability of the teacher randomly selecting a slip of paper with a girl's name from the cup, and then a boy's name without replacing the first slip of paper?

• $$\frac{19}{400}$$  

• $$\frac{33}{100}$$  

• $$\frac{99}{380}$$  

Multiple Choice

For lunch a restaurant offers the choice of pizza or soup as the entree, as a side they offer chips, salad, or a baked potato, for dessert a brownie or ice cream. How many different ways can you order lunch?

• 3

• 2

• 10

• 12

Multiple Choice

John wants to calculate the price per ounce of a large bag of snack mix and a small bag of snack mix. The large bag is 12 ounces and costs $4.80. The small bag is 6 ounces and costs $3.60. What is the difference in the price per ounce of the two bags?

• $0.20 per ounce

• $0.40 per ounce

• $0.60 per ounce

• $1.20 per ounce

Multiple Choice

The table shows the relationship between x and y.

Which equation models this relationship?

• $$y=48.5x$$

• $$y=\frac{388}{x}$$

• $$y=48x$$

• $$y=\frac{488}{x}$$

Multiple Choice

Melissa makes cupcakes for a party. Each cupcake is either chocolate or vanilla, iced or plain, or sprinkles or no sprinkles. She makes an equal number of each type of cupcake. If one of Melissa's guests chooses cupcake without looking, what are the chances the guest will get a cupcake with sprinkles?

• $$\frac{1}{8}$$

• $$\frac{1}{6}$$

• $$\frac{1}{3}$$

• $$\frac{1}{2}$$

Multiple Choice

Sue has 4 shirts, 4 pants, and 4 pairs of shoes that she can mix and match to create different outfits. How many different outfits can she create?

• 12

• 24

• 64

• 72

Multiple Choice

Which expression is equivalent to $$\frac{1}{2}\left(6y\ +\ 10\right)$$

• $$\frac{1}{2}y\ +16$$

• $$3y\ +\ 20$$

• $$8y+\ \frac{1}{2}$$

• $$3y\ +\ 5$$

Multiple Choice

A grocery store stocks 10,500 cans of tuna each month. The store sold ⅗ of the stock this month. If the store wants to decrease its inventory by 1⁄10 of the cans it sold during the month, how many fewer cans should it buy?

• 420

• 630

• 4,200

• 6,300

Fill in the Blanks

The probabilty that a student in a certain school will have a pet is 3 out of 5. If the school has 1,250 students, how many students would be expected to have a pet.

Multiple Choice

The spinner will be spun three times. What is the probability of spinning an even number all three times?

• $$\frac{1}{2}$$

• $$\frac{1}{4}$$

• $$\frac{3}{4}$$

• $$\frac{1}{8}$$