Review for Unit 1 LC 1

Which sentence describes the relationship shown on this scatter plot?

• As the temperature decreases, the visitors increase.

• As the temperature increases, the number of visitors increases.

• As the visitors increase, the temperature decreases.

• No correlation

Is a linear regression appropriate for the data shown?

• Yes

• No

The original value of a painting is $1400, and the value increases by 9% from years 2000 to 2007. Which equation will help us determine the value of the painting in the year 2002?

What is the percent of growth or decay in the function?

• Growth 25%

• Decay 25%

• Growth 125%

• Decay 125%

• 92%

• 102%

• 8%

• 98%

Is the table linear quadratic or exponential?

• Linear

• Quadratic

• Exponential

• None

The value of a Dodge Ram was $76,000 when it was bought, the value is decreasing at a rate of 5% every year. Which of the following statements is true?

• A linear model is appropriate because there is a rate of change of $5 every year.

• An exponential model is appropriate because the value of the truck was 0.95 times the value 1 year after.

• An exponential model is appropriate because the value of the truck was 0.05 times the value 1 year after.

• A linear model is appropriate because there is a rate of change of -$5 every year.

Which scatter plot shows a linear relationship between x and y?

• Graph A
• Graph B
• Graph C
• Graph D

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

Which best describes the association shown in the scatter plot below?

• Negative and linear

• Negative and quadratic

• Positive and linear

• Positive and quadratic

Tags

CCSS.8.F.B.5

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3