Modeling Algebraic Equations and Checking Solutions

What equation is modeled?

• x - (-6) = 13

• x + 6 = 13

• x + (-6) = 13

• 6x = 13

Which equation is modeled?

• x + 3 = 9
• x - 3 = 9
• 3x = 9
• 3x - 3 = 9

Tags

CCSS.HSA.CED.A.3

What equation is modeled?

• 3 = 6
• 3x = 6
• x = 6
• 3 = 6x

Tags

CCSS.HSA.CED.A.3

What equation is modeled?

• 2x = -4

• 2x = 4

• -2x = 4

• $\frac{x}{2}=4$

Write the equation for the model.

(white square=1; rectangle=x; red square = -1)

• 7=x+3

• 7=x+(-3)

• 7=-x+3

• -7=x-3

Which of the following equations best represents the model given? (square=1; rectangle=-x)

• 4+3x=5

• 4-3=5

• -3x+4=5

• 4x-3=5

What is the equation for the given model? (yellow rectangle=x; red square=-1; yellow square= +1)

• -3x-4=5

• -3-4x=5

• 3-4x=5

• 3x-4=5

Which equations matches the picture?

• 3b + 1 = 6

• b + 3 = 6

• 1 + 3 = 6

• 6 = 3b + 1

Tags

CCSS.HSA.CED.A.3

Which equation represents the model?

• 4x = 7

• 7 = x - 4

• 7 = x + 4

• x + 4 = 3

Which equation matches the picture above?

• c = 4

• 1 + 1 = 8

• 2 = 8

• 2C = 8

Tags

CCSS.6.EE.B.7