Independent and Dependent Variables

Identify the independent and dependent variable for cost​- (a)   and time- (b)   .

• y-values
• x-values

Independent quantities on the graph shown are​ (a)   . The dependent quantities on the graph shown are ​ (b)   .

• 1, 2, 3, 4, 5, 6
• 7.5, 15, 22.5, 30, 37.5, 45

4. 4. What is the cost of renting a surfboard for 2 hours?

5. (enter only the number)

5) What is the relationship between the x- and y-values?

• Additive

• Multiplicative

7. 6. Identify the independent and dependent variable.

Amount of Fertilizer-​ (a)  

Change in Height​- ​ (b)  

7. 7. List the independent quantities-​ (c)  

   8. 8. List the dependent quantities- ​ (d)  

• independent
• dependent
• 4, 8, 1, 2
• 0.5, 1.0, 0.125, 0.25

Based on the table, if 16mL of fertilizer was added, what would be the change in height of the plant?

(include unit of measurement

Example: 9cm)

Mathematical Equivalence

ON

What is the relationship between x and y values?

• Additive

• Multiplicative

11) The graph shows the number of words per minute that Paola types.

Which statement about the relationship represented in the graph is true?

• A) The number of minutes is the dependent quantity because it depends on the number of words.

• B) The number of words is the dependent quantity because it depends on the number of minutes.

• 1. C) The number of minutes is the independent quantity because it is represented on the y-axis.

• 1. D) The number of words is the independent quantity because it is represented on the y-axis.

 The graph shows the amount of money Sam has in his savings account each week.

Which list best represents the dependent quantities in the graph?

• 1. 6, 8, 10, 12, 14

• 5, 7, 9, 11, 13

• 0, 2, 4, 6, 8

• 1, 3, 5, 7, 9