1. The line that most closely approximates the data in a scatter plot.
CHAPTER 5 VOCABULARY
WORD LIST
Best-Fit Line
Constant of Variation
Direct Variation
Linear Extrapolation
Linear Interpolation
Negative Correlation
Parallel Lines
Perpendicular Lines
Point-Slope Form
Positive Correlation
Rate of Change
Scatter Plot
Slope
Slope-Intercept Form
The line that most closely approximates the data in a scatter plot.
BEST-FIT LINE

2. The number k in equations of the form y = kx.
CHAPTER 5 VOCABULARY
WORD LIST
Best-Fit Line
Constant of Variation
Direct Variation
Linear Extrapolation
Linear Interpolation
Negative Correlation
Parallel Lines
Perpendicular Lines
Point-Slope Form
Positive Correlation
Rate of Change
Scatter Plot
Slope
Slope-Intercept Form
The number k in equations of the form y = kx.
Constant of Variation

3. An equation of the form y = kx, where k ≠ 0.
CHAPTER 5 VOCABULARY
WORD LIST
Best-Fit Line
Constant of Variation
Direct Variation
Linear Extrapolation
Linear Interpolation
Negative Correlation
Parallel Lines
Perpendicular Lines
Point-Slope Form
Positive Correlation
Rate of Change
Scatter Plot
Slope
Slope-Intercept Form
An equation of the form y = kx, where k ≠ 0.
Direct Variation

4. CHAPTER 5 VOCABULARY Linear Extrapolation
WORD LIST
Best-Fit Line
Constant of Variation
Direct Variation
Linear Extrapolation
Linear Interpolation
Negative Correlation
Parallel Lines
Perpendicular Lines
Point-Slope Form
Positive Correlation
Rate of Change
Scatter Plot
Slope
Slope-Intercept Form
The use of a linear equation to predict values that are outside the range of data.
Linear Extrapolation

5. CHAPTER 5 VOCABULARY Linear Interpolation
WORD LIST
Best-Fit Line
Constant of Variation
Direct Variation
Linear Extrapolation
Linear Interpolation
Negative Correlation
Parallel Lines
Perpendicular Lines
Point-Slope Form
Positive Correlation
Rate of Change
Scatter Plot
Slope
Slope-Intercept Form
The use of a linear equation to predict values that are inside of the data range.
Linear Interpolation

6. In a scatter plot, as x increases, y decreases.
CHAPTER 5 VOCABULARY
WORD LIST
Best-Fit Line
Constant of Variation
Direct Variation
Linear Extrapolation
Linear Interpolation
Negative Correlation
Parallel Lines
Perpendicular Lines
Point-Slope Form
Positive Correlation
Rate of Change
Scatter Plot
Slope
Slope-Intercept Form
In a scatter plot, as x increases, y decreases.
Negative Correlation

7. Lines in the same plane that never intersect and have the same slope.
CHAPTER 5 VOCABULARY
WORD LIST
Best-Fit Line
Constant of Variation
Direct Variation
Linear Extrapolation
Linear Interpolation
Negative Correlation
Parallel Lines
Perpendicular Lines
Point-Slope Form
Positive Correlation
Rate of Change
Scatter Plot
Slope
Slope-Intercept Form
Lines in the same plane that never intersect and have the same slope.
Parallel Lines

8. Lines that meet to form right angles.
CHAPTER 5 VOCABULARY
WORD LIST
Best-Fit Line
Constant of Variation
Direct Variation
Linear Extrapolation
Linear Interpolation
Negative Correlation
Parallel Lines
Perpendicular Lines
Point-Slope Form
Positive Correlation
Rate of Change
Scatter Plot
Slope
Slope-Intercept Form
Lines that meet to form right angles.
Perpendicular Lines

9. CHAPTER 5 VOCABULARY Point-Slope Form An equation of the form
WORD LIST
Best-Fit Line
Constant of Variation
Direct Variation
Linear Extrapolation
Linear Interpolation
Negative Correlation
Parallel Lines
Perpendicular Lines
Point-Slope Form
Positive Correlation
Rate of Change
Scatter Plot
Slope
Slope-Intercept Form
An equation of the form
Y – y1 = m(x – x1)
Point-Slope Form

10. In a scatter plot, as x increases, y increases.
CHAPTER 5 VOCABULARY
WORD LIST
Best-Fit Line
Constant of Variation
Direct Variation
Linear Extrapolation
Linear Interpolation
Negative Correlation
Parallel Lines
Perpendicular Lines
Point-Slope Form
Positive Correlation
Rate of Change
Scatter Plot
Slope
Slope-Intercept Form
In a scatter plot, as x increases, y increases.
Positive Correlation

11. How a quantity is changing over time.
CHAPTER 5 VOCABULARY
WORD LIST
Best-Fit Line
Constant of Variation
Direct Variation
Linear Extrapolation
Linear Interpolation
Negative Correlation
Parallel Lines
Perpendicular Lines
Point-Slope Form
Positive Correlation
Rate of Change
Scatter Plot
Slope
Slope-Intercept Form
How a quantity is changing over time.
Rate of Change

12. Two sets of data plotted
CHAPTER 5 VOCABULARY
WORD LIST
Best-Fit Line
Constant of Variation
Direct Variation
Linear Extrapolation
Linear Interpolation
Negative Correlation
Parallel Lines
Perpendicular Lines
Point-Slope Form
Positive Correlation
Rate of Change
Scatter Plot
Slope
Slope-Intercept Form
Two sets of data plotted
as ordered pairs in a
coordinate plane.
Scatter Plot

13. CHAPTER 5 VOCABULARY Slope
WORD LIST
Best-Fit Line
Constant of Variation
Direct Variation
Linear Extrapolation
Linear Interpolation
Negative Correlation
Parallel Lines
Perpendicular Lines
Point-Slope Form
Positive Correlation
Rate of Change
Scatter Plot
Slope
Slope-Intercept Form
The ratio of the change in the y-coordinates (rise) to the corresponding change in the x-coordinates (run) as you move from one point to another along a line.
Slope

14. CHAPTER 5 VOCABULARY Slope-Intercept Form An equation of the form
WORD LIST
Best-Fit Line
Constant of Variation
Direct Variation
Linear Extrapolation
Linear Interpolation
Negative Correlation
Parallel Lines
Perpendicular Lines
Point-Slope Form
Positive Correlation
Rate of Change
Scatter Plot
Slope
Slope-Intercept Form
An equation of the form
y = mx + b
Slope-Intercept Form