chapter 8 test review

Combine like terms for this expression. $5\ \left(2x\ -\ 3\right)\ +\ x^2\ +\ 7\ +\ 3x^2\ -4x\ +\ 2$  

•  $4x^2\ +\ 6x\ +\ 6$  

•  $4x^2\ +6x\ +\ 24$  

•  $4x^2\ +\ 6x\ -\ 6$  

•  $4x^2\ -\ 2x\ -\ 6$  

Tags

CCSS.6.EE.A.3

A 34 oz. box of Frosted Flakes costs $3.74. What is the unit price per ounce for this cereal?

• $0.11 per ounce

• 9.09 ounces per dollar

• 0.11 ounces per dollar

• $9.09 per ounce

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If six Hershey chocolate bars cost $7.74, how much would ten bars cost?

• $12.90

• $77.40

• $46.44

• $0.77

• $1.29

Tags

CCSS.6.RP.A.3B

For the Bottle Biology project, the teacher asked students in her class, "Count and record how many mosquito fish are in your bottle." Is this statement an example of a statistical question?

• yes

• no

• only in Science class

• It depends if you have any mosquito fish.

Tags

CCSS.6.SP.A.1

During the year, Maddie read books that had the following number of pages; 192, 202, 175, 219, 209, and 197. Find the mean and median.

• mean = 199 median = 199.5

• mean = 199.5 median = 199

• mean = 199 median = 197

• mean = 199.5 median = 202

• mean = 199.5 median = 197

Tags

CCSS.6.SP.B.5C

Usain Bolt is has the world record in the 100m dash with a time of 9.58 seconds. Based on his rate, how long did it take him to run 60 meters?

• 5.748 seconds

• .5748 seconds

• 6.263 seconds

• 1.596 seconds

Tags

CCSS.6.RP.A.3B

Select all of the vocabulary words that describe this histogram?

• single-peaked

• uniform

• symmetrical

• double-peaked

• skewed

 $3\ \div1\ \frac{4}{5}$  

•  $1\ \frac{2}{3}$  

•  $1\ \frac{13}{15}$  

•  $\frac{15}{27}$  

•  $5\ \frac{2}{5}$  

The Interquartile Range (IQR) measures what percent of data in a set?

• the middle 50%

• the bottom 50%

• the top 50%

• the middle 25%

Tags

CCSS.6.SP.B.5C

Select all the terms below that do NOT need the median in order find or construct.

• Interquartile Range

• Range

• Mean

• Mean Absolute Deviation

• Box & Whisker Plot

Tags

CCSS.6.SP.B.5C