Algebraic Multiple Representations

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• Both show an additive relationship.

•  $k\ =\ 9r$   shows an additive relationship;
   $k\ =\ r\ +\ 3$   shows a multiplicative relationship.

•  $k\ =\ r\ +\ 3$  shows an additive relationship;
    $k\ =\ 9r$  shows a multiplicative relationship.

• Both show a multiplicative relationship.

Which statement about the graphs is true?

• Both show an additive relationship.

• Graph 1 shows an additive relationship;
  Graph 2 shows a multiplicative relationship.

• Graph 1 shows a multiplicative relationship;
  Graph 2 shows an additive relationship.

• Both show a multiplicative relationship.

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Which equation matches the table?

• y = x + 5

• y = 5x

• y = x - 5

• x = y - 5

What algebraic equation shows the relationship between the independent and dependent variables?

• y = ax

• y = x + 12

• y = -3x

• y = 

Which equation matches the table?

• y = x 

• y = 5x

• y = x - 4

• y = x + 4

Nancy can type 50 words per minute. Look at the table below to write an equation that matches the data.

• m=50 + w

• w= 50m

• w= 50 + m

• m= 50 - w

A driving range charges $4 to rent a golf club plus $2.75 for every bucket of golf balls you hit. Write an equation that shows the total cost c of hitting b buckets of golf balls.

• c = 2.75b + 4

• c = 2.75b

• c =  4b- 2.75

• c = 2.75b - 4