CCSS.Math.Content.8.F.B.4

Which equation describes the table shown:
(#Tiana.H)

• y = 1x + 2
• y = 1x - 2
• y = 2x + 1
• y = -2x + 2

Tags

CCSS.Math.Content.8.EE.B.6

CCSS.Math.Content.8.F.B.4

Write an equation for this situation.

• y=9.75x
• y=19x
• y=19.25x
• y=9.5x

Tags

CCSS.Math.Content.8.EE.B.5

CCSS.Math.Content.8.F.B.4

What is the algebraic equation for this table?

• y = x + 3
• y = 3x
• y = x ÷ 3
• y = x - 3

Tags

CCSS.Math.Content.8.F.B.4

Data was collected on the weight of a male  laboratory rat for the first 25 weeks after its birth. The linear regression equation is 
y= 40x+100, where x is number of weeks and y is weight in grams. 
What does the y-intercept mean in context of the problem?

• The predicted weight of the rat in year 0. 
• The predicted weight of the rat at birth. 
• The current weight of the rat. 
• The average increase in the rat's weight. 

Tags

CCSS.Math.Content.HSS.ID.C.7

CCSS.Math.Content.8.F.B.4

What is the constant rate of change between the quantities in the table?

• $1 per hour

• $40 per hour

• $5 per hour

• $10 per hour

Tags

CCSS.Math.Content.HSS.ID.C.7

CCSS.Math.Content.8.EE.B.5

CCSS.Math.Content.8.F.B.4

a perfect point is (60,4) what is the rate of change? *hint* y/x

• .06

• 1/15

• 15

• 2

Tags

CCSS.Math.Content.8.EE.B.5

CCSS.Math.Content.8.F.B.4

What is the equation of a line that passes through the ordered pairs (1, 8) and (3, 12)?

• y = 2x + 6

• y = 1/2x + 6

• y = 2x

• y = 2x + 4

Tags

CCSS.Math.Content.8.EE.B.6

CCSS.Math.Content.8.F.B.4

A machine salesperson earns a base salary of $40,000 plus a commission of $300 for every machine he sells. Which best describes this function?

• Linear

• Quadratic

• Exponential

• None of the above

Tags

CCSS.Math.Content.8.F.B.4

The graph shows the speed of Mr. Sam driving to work. Which section shows Mr. Sam driving on the interstate?

• a. - his rate of change is the steepest

• b. - he's going the fastest here

• g. - steep rate of change and not for a long time

• d. - shortest amount of time

• f. - he's going fast here

Tags

CCSS.Math.Content.8.EE.B.5

CCSS.Math.Content.8.F.B.4

Find the slope from the table:

• -2/5

• 5/-2

• 5/2

• 2/5

Tags

CCSS.Math.Content.8.EE.B.5

CCSS.Math.Content.8.F.B.4