Algebra II : Graphing Linear Functions
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Example Questions
Example Question #41 : Linear Functions
What is the slope of 
To solve this, first put the linear equation into slope-intercept form:
Recall that in slope intercept form
the m term is the slope value.
Therefore, the slope is 2.
Example Question #22 : Graphing Linear Functions
How many 
have?
Four
One
Cannot be determined
Two
Zero
Two
The graph of a quadratic function 
The number of 
The discriminant is positive, so there are two real solutions to the quadratic equation, and the graph of the function has two
Example Question #12 : Graphing Inequalities
Which of the following graphs correctly depicts the graph of the inequality 
None of the graphs.
Let's start by looking at the given equation:
The inequality is written in slope-intercept form; therefore, the slope is equal to 
All of the graphs depict a line with slope of 
Because this statement is true, the origin must be included in the shaded region, so we shade below the line.
Finally, a statement that is "less than" or "greater than" requires a dashed line in the graph. On the other hand, those that are "greater than or equal to" or "less than or equal to" require a solid line. We will select the graph with shading below a dashed line.
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