Determine the equation of the line of best fit (y = mx + b) for the following data points:

(0,0), (1,2), (3,5), (6,7)

ROUND YOUR ANSWER TO THE NEAREST HUNDRETH AND DO NOT USE SPACES.

Tags

CCSS.8.EE.B.5

Which best 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

Tags

CCSS.HSS.ID.B.5

A nursing student tracked the weight and age of a newborn as part of a research project. Which question was she most likely trying to answer in her research?

• How many children do families have in the 21st century?

• What is the average rate of weight growth in newborns?

• What is the average rate of height growth in newborns?

• How many children are born underweight?

Tags

CCSS.HSF.IF.B.4

Which functions have at least one equivalent x-intercept?

f(x) = -x + 2

g(x) = (x - 2)(x + 1)

h(x) = x² + 3x - 4

• f(x) and g(x)

• f(x) and h(x)

• g(x) and h(x)

• f(x), g(x), and h(x)

• None of the functions have an equivalent x-intercept.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

What is the y-intercept of the function y = (x - 3)²?

(​ (a)   ,​​ (b)   )

• 0
• -6
• 3
• -3
• 1
• 4
• 2
• 9

Tags

CCSS.HSF-IF.C.7A