Modeling and Solving Equations

Solve for x

• x = 4

• x = 1

• 2x = 4

• x = 2

Tags

CCSS.6.EE.B.7

In the equation
x + 7 = 12
7 is being added to the variable, x. How should you show your work to isolate the variable and solve the equation? 

• Subtract 7 from both sides. The solution is x = 5.

• Add 7 to both sides.
  The solution is x = 19.

• Multiply both sides by 7 The solution is x = 84.

Tags

CCSS.6.EE.B.7

Solve for the missing variable:

• y = 7

• y = 6

• y = 1/6

• y = 8

Tags

CCSS.6.EE.B.7

Solve for the missing variable:

• 21

• 61

• - 20

• 24

Tags

CCSS.6.EE.B.7

Green boxes are equal to 1 and red boxes are equal to -1. Solve for x.

• 12 = 3x + 6

• 12 = 3x - 6

• -12 = 3x -6

• 12 = -3x -6

Tags

CCSS.HSA.CED.A.3

The table below shows the temperature, T, in degrees Fahrenheit of a hot drink m minutes after it was poured into a cup.
Which equation most closely matches the data in the table?

• A.  T = 180 − 5m

• B.  T = 180 − 15m

• C.  T = 180 − 10m

• D. T = 180 − 20m

The equation y=6.75x models the cost, in dollars, to purchase x pounds of steak at grocery store 1. Which equation models the cost of x pounds of steak at grocery store 2?

Tags

CCSS.8.EE.B.5

Which linear equation models the relationship shown on the graph?

• y=2x+3

• y=2x+1

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the equation and the solution for the given model?

• 3x-4=5

• 3-4x=5

• 3-4x=5

• 3x-4=5

Tags

CCSS.7.EE.B.4A

Which model represents the equation 3x - 1 = -4?

• 
• 
• 
• 

Tags

CCSS.7.EE.B.4A