Topic 2: Target A Review

Topic 2: Target A Review

Calculate the constant of proportionality from a table and find the missing information in a table.
Write an equation to represent a proportional relationship

Calculate the constant of proportionality

• Divide the y column (right side of the table) divided by the x column (left side of the table.

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Calculate the missing information in a table.

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Identify the Constant of Proportionality in the Equation

• y = Kx

• Hint: the K represents the constant of proportionality

Multiple Choice

What is the constant of proportionality?

C = 2.5m

• c

• m

• 2.5

• 2.5m

Multiple Choice

What is the constant of proportionality?

y = 3x

• y

• x

• 3x

• 3

Multiple Choice

Write an equation (y = kx) if the constant of proportionality is 12.

• 12y = x

• x = 12

• y = 12

• y = 12x

Write an equation for the following table.

Multiple Choice

Write an equation for the following table.

• y = 8x

• x = 8y

• x = 8

• y = 8

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Multiple Choice

Write an equation for the following table.

• c = 0.9b

• c = 1.1b

• b = 0.9c

• b = 1.1c

Write an equation for the following word problem

• First, Find or calculate the constant of proportionality

• Second, Write an equation (y = kx)

• Ask yourself, "what is my constant of proportionality multiplying by?"

• Remember the constnat of proportionality replaces the k

Multiple Choice

Write an equation for the following word problem.

Josefina is purchasing a new cell phone plan from Straight Talk Wireless. Her plan will cost her $10 per month.

C - cost

m = months

• m = 10c

• c = 10m

• c = 10

• m = 10

Multiple Choice

Write an equation for the following word problem.

Coach Bright is buying new jerseys for the volleyball team. She is able to purchase 15 jerseys for $120.

j - jerseys

c - cost

• c = 120j

• c = 8j

• j = 120c

• j = 8c

Poll

Rate your progress on this topic using the scale.

• ET: Exceeding Target: I can show my complete knowledge of this target and BEYOND!!

• AT: Achieving Target: I can show my complete knowledge of this target.

• PT: Progressing Toward Target: I can show my partial knowledge of this target

• NM: Not Met: I can't show my progress toward this target yet.

Great Job!

You are on your way to becoming proficient on Target 3A