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Review Ch 1 September 16, 2015
September 16 Wednesday Solve for x:
Tutorial:
No more tutorials available on WEDNESDAY AFTER SCHOOL.
|x – 4| + 5 > 3
|2x + 3| < 5
|2x + 3| = |x|
After school tutorial in the library on Tuesdays and Thursdays until 6:30pm with another math teacher.
2x + 3 = x
Do not leave your gum in the classroom on the desk or on the floor.
Sep 16­8:03 AM
Quiz #2 September 16 Wednesday
Solve for x. 2) Solve for x.
|3x| < 30
|3x + 2| > ‐5
3) Solve for x.
|x – 5| – 2 < – 5
4) Solve for x.
|x + 1| > 8 Sep 16­8:03 AM
Review Question #1
• Find the slope and an equation of the line that goes through (1, 5) and (4, 23). Show your work completely and use the calculator to CHECK your work.
Sep 16­8:03 AM
Sep 16­8:03 AM
Time to make your Cheat Sheet
• Interval notation
• Set builder Notation (Know the special letters like R, Z, W, etc.)
• Absolute value equations and inequalities. When to say “no solution” or “all real numbers” or “extraneous solution”.
• Writing equations of lines
• Linear Regression on the calculator
• Absolute Value Word Problems like maximum and minimum.
Sep 16­8:03 AM
Review Question #2
|2x – 5| = |x|
Sep 16­8:03 AM
1
Review Ch 1 September 16, 2015
Review Question #3
|2x – 1| = 3x
Review Question #4
The minimum distance between two fence posts is 4 feet. The maximum distance is 10 feet.
Draw a number line to represent these two distances.
Write an absolute value equation that represents the minimum and maximum distances.
Sep 16­8:03 AM
Review question #5
How is g(x) different from its parent function?
g(x) = – 3 |x + 1| ‐ 5 Sep 16­8:03 AM
Sep 16­8:03 AM
Review Question #6
• f(x) = – 2|x + 3| + 4; translation 3 units DOWN and 1 unit RIGHT
Sep 16­8:03 AM
Review Question #7
Review Question #8
Write the set in interval notation
‐5 < x < 8
Write the set in set notation
(‐3, 9]
Sep 16­8:03 AM
Sep 16­8:03 AM
2
Review Ch 1 September 16, 2015
Review Question #9
Write the set in set builder notation
Set of all INTEGERS greater than or equal to 3
Sep 16­8:03 AM
Review Question #10
Write the set in interval notation
x > 10
Sep 16­8:03 AM
3
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