Study Guides
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1.
The Coordinate Plane and Plotting Points Help
The Rectangular Coordinate Plane This section explains the concepts of combining algebra and geometry using the rectangular coordinate plane . The rectangular coordinate plane uses two ...
Source: McGraw-Hill Professional -
2.
Solving Linear Equations Help
Solving Linear Equations An equation such as x + 2y = 6 is called a linear equation in two variables. A solution to the equation is a set of ordered pairs (x, y) such that when the values are substituted for the variables in ...
Source: McGraw-Hill Professional -
3.
Graphing Lines Help
Graphing Lines Equations of the form ax + by = c where a, b, and c are real numbers are called linear equations in two variables and their graphs are straight lines. In order to graph a ...
Source: McGraw-Hill Professional -
4.
Horizontal and Vertical Lines in Graphs Help
Horizontal and Vertical Lines Vertical Lines Any equation of the form x = a, where a is a real number, is the graph of a vertical line passing through the point (a, 0) on the x axis.
Source: McGraw-Hill Professional -
5.
Intercepts Help
Intercepts y-Intercepts The point on the graph where a line crosses the y axis is called the y intercept (see Fig. 11-21 ).
Source: McGraw-Hill Professional -
6.
Slope Help
Slope An important concept associated with lines is called the slope of a line. The slope of a line is associated with the "steepness" of a line. The slope of a line is the ratio of the vertical change to ...
Source: McGraw-Hill Professional -
7.
Solving a System of Linear Equations Graphically Help
Solving a System of Linear Equations Graphically Two linear equations of the form ax + by = c, where a, b, and c are real numbers, is called a system of linear equations. When the two lines intersect, the coordinates of the ...
Source: McGraw-Hill Professional -
8.
Graphing Practice Test
Review the following concepts if needed: The Coordinate Plane and Plotting Points Help Solving Linear Equations ...
Source: McGraw-Hill Professional
