Chapter+4+Vocab

**A, D, or NS** ||  **Statement**  ||  **Step 2** **A or D** ||
 * **Step 1**
 * A || 1. The slope of a line given by an equation in the form y=mx+b can be determined by looking at the equation. ||  ||
 * D || 2. The y-intercept of y=12x-8 is 8. ||  ||
 * D || 3. If two points on a line are known, then an equation can be written for that line. ||  ||
 * A || 4. An equation in the form y = mx + b is in point-slope form. ||  ||
 * A || 5. If a pair of lines are parallel, then they have the same slope. ||  ||
 * A || 6. Lines that intersect at right angles are called perpendicular lines. ||  ||
 * A || 7. A scatter plot is said to have a negative correlation when the points are random and show no relation between x and y. ||  ||
 * NS || 8. The closer the correlation coefficient is to zero, the more closely a best-fit line models a set of data. ||  ||
 * <span style="font: normal normal normal 12px/normal Helvetica; letter-spacing: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px;">NS || <span style="color: #1a1a18; font: normal normal normal 11px/normal Helvetica; letter-spacing: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px;">9. The equations of a regression line and a median-fit line are very similar. ||  ||
 * <span style="font: normal normal normal 12px/normal Helvetica; letter-spacing: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px;">NS || <span style="color: #1a1a18; font: normal normal normal 11px/normal Helvetica; letter-spacing: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px;">10. Step functions and absolute value functions are types of piecewise-linear functions. ||  ||


 * **Term** || **Lesson** || **Definition** ||
 * **Best-Fit Line** ||  ||   ||
 * **Bi-variate Data** ||  ||   ||
 * **Correlation Coefficient** ||  ||   ||
 * **Line of Fit** ||  ||   ||
 * **Linear Extrapolation** ||  ||   ||
 * **Linear Interpolation** ||  ||   ||
 * **Linear Regression** ||  ||   ||
 * **Median-Fit Line** ||  ||   ||
 * **Parallel Lines** ||  || lines that will go on forever and never touch ||
 * **Perpendicular Lines** ||  || lines that meet to form right angles ||
 * **Scatter Plot** ||  ||   ||
 * **Slope-Intercept Form** ||  || an equation int he form of y=mx+b ||