Tuesday Classes: G-Block
Today we will
be going over the first two graphing handouts (HW5 and HW6). We will
then practice graphing, starting with different bits of information
(intercepts, slope, equations, etc).
Homework
#7: Graph the twelve equations given to you. You may print out the
handout and graph on the handout, or graph the twelve problems on graph
paper.
Show all of your work! What I mean by this is that, if it gives you 2x+3y=5 and you rearrange it to get y=mx+b format before graphing, show those steps clearly!
Attachment:
HW007 (Graphing Practice #3), and the
HW007 Answer Key
Tuesday Classes: A-Block, B-Block
Today we will
be going over the third graphing practice and introduce the final installment of our graphing review (HW8). By this time, you should be a semi-expert in the field of graphing.
Important information:
Parallel Lines - If you have the slope of one line (for example the slope of the first line is 3). Then the slope of a parallel line must be exactly the same. The parallel line goes in the same direction forever and so must also have a slope of 3.
Parallel lines have the same slope.
Perpendicular Lines - If you have the slope of one line (for example the slope of the first line is 3). Then the slope of the perpendicular line will be the opposite sign (positive or negative) and the reciprocal (the upside down version of the first fraction). If the first slope is 2 or 2/1, then the slope of all perpendicular lines is -1/2.
Perpendicular lines have opposite reciprocal slopes.
Homework
#8: Find the equations of the first 14 problems, showing all of your work. DO NOT do the last problem (#25).
Attachment:
HW008 (Graphing Practice #4), and the
HW008 Answer Key