Unit 2 Quiz - Functions

Which relationship is shown by this scatter plot?

• As the cost goes down, the number sold goes

  down.

• As the cost goes up, the number sold goes

  down.

• As the cost does down, the number sold

  remains the same.

• There is no relationship between cost and the

  number sold.

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many pages would be in a book with 6 chapters. 

• 100 pages
• 170 pages
• 60 pages
• 20 pages

Tags

CCSS.HSA.CED.A.2

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

Classify the model as Exponential GROWTH or DECAY.
A=1200(.85)⁶

• Growth
• Decay

Tags

CCSS.HSF-IF.C.8B

Classify the model as Exponential GROWTH or DECAY.
A=10(1.01)³

• Growth
• Decay

Tags

CCSS.HSF-IF.C.8B

Is the pictured graph growth, decay, or linear or none?  

• Exponential Growth
• Exponential Decay
• Linear
• None

Tags

CCSS.HSF-IF.C.7E

 $y_1\sim mx_1+b$  will tell Desmos to create which type of model?

• exponential

• quadratic

• linear

• square root

 $y_1\sim e^{rx_1}$  will tell Desmos to build which kind of model?

• quadratic

• linear

• exponential

• logistic

Copying data over to Desmos requires which steps?

• Copying tables to a spreadsheet

• Removing commas, dollar signs, and other symbols

• Keyboard shortcut (Ctrl-V) for pasting

• Zooming in on the data

Estimate the correlation coefficient for this scatterplot.

• A) r = -0.9

• B) r = 1

• C) r = 0.9

• D) r = -1

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

Describe the correlation.

• Negative correlation

• No correlation

• Positive correlation

• Constant correlation

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

CCSS.HSS.ID.C.9