Evaluating Expressions
Absolute value Equations
Absolute Value Inequalities
Graph It!
Evaluating Functions (Tables and Graphs)
100
2|y - 8| + 3y
If y = 4
20
100
| z - 13 | = 21
z = -8 and 34
100
|x| < -12
No Solution!
100
f(x) = |x| + 2
Move Up 2
100
Use the table to find g(4):
g(4) = -5
200
Evaluate:
y2 - 3x + |2y|
x = 4 and y = 3
3
200
5 | x + 6 | = 20
x = -2 , -10
200
4 |2r + 3| ≤ 12
r ≤ 0 and r ≥ -3
200
f(x) = 1/2 |x - 3|
Move Right 3
Slope = 1/2
200
Use the graph to find f(-2).
f(-2) = 3
300
Evaluate if x = 4:
50 - xsqrt(285+x)
-18
300
10 + | p + 1 | = 5
No Solution!
300
|x| + 6 > 3
All Real Numbers!
300
f(x) = - |x + 6|
Move Left 6
Slope = -1 (Upside Down!)
300
Find h(-5) if:
h(-5) = 15
400
Evaluate if a = -2 and b = 1:
2asqrt(66+ab) + 30b
-2
400
-4 | x/8 | - 2 = -2
x = 0
400
-10 + |-6 - x| > 1
x < -17 or x > 5
400
f(x) = -3|x + 1| - 5
Move Down 5, Left 1
Slope = -3/1
400
Use the b(x) table and the f(x) graph to find b(f(-2)):
b(f(-2)) = 4
500
Evaluate if q = 1/2, r = 6, and s = 5:
(-4qsqrt(s^2+4r))/(q(5+s)+3)
-7/4
500
6 + 4|2x + 6| = 14
x = -2 and -4
500
2|x/3 - 5| - 6 < 8
x < 36 and x > -6
500
f(x) = 4 + 3|x - 2|
Move Up 4, Right 2
Slope = 3/1
500
Find k(-4) if:
k(-4) = -1