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

The mass of a substance varies directly with the volume of the substance.  The volume of 100 kilograms of the substance is 80 liters.  What is the volume, in liters, of 3.2 kilograms of this substance?

• 2.56 L
• 4 L
• 23.2 L
• 32 L

Tags

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

Which of the following could be a possible line of best fit for the data?

• y = -5/2x + 20
• y = -x + 19
• y = x + 20
• y = 2/3x + 15 

Tags

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

Describe the situation:
Alberto started out bench pressing 50 pounds. He then added 5 pounds every week.

• Linear & Proportional
• Linear & Nonproportional
• Nonlinear & Proportional
• Nonlinear & Nonproportional

Tags

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

Which formula is used to find the explicit equation for arithmetic sequences?

• a_n = a_(n-1) + d
• a_n = a_(n-1) * r
• a_n = a₁ + d(n-1)
• a_n = a₁ * r^n-1

Tags

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

Who has the greater rate of change?

• Tyler has the greater rate of change with 2/3
• Aubri has the greater rate of change with 3/2
• Tyler has the greater rate of change with 3/2
• They have the same rate of change.

Tags

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

Which statement below is TRUE regarding the functions pictured?

• Both functions have a y-intercept of 3

• Both functions are increasing

• Both functions are linear

• Both functions have a MULTIPLYING pattern

Tags

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

How much money does Rico earn each hour of doing chores?

• 2

• 4

• 6

• 8

Tags

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

Find the constant rate of change for this graph.

• 2 lb per person

• 1 lb per person

• 3 lb per person

• 4 lb per person

Tags

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

What is the formula of this graph?

• y = - 2/3x + 5

• y = 2/3x + 5

• y = - 5x + 2/3

• y = 5x + 2/3

Tags

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

Graph the line with the equation
 $y\ =\ -\frac{2}{3}x\ +\ 4$  

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Tags

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