One- and Two-step Equations
Multi-step Equations
Inequalities in General
Solving Inequalities
Chapter 1 Review
100
Define inverse operations and give two examples.
Operations that undo one another
Addition/subtraction and multiplication/division
100
Explain the three solution types and give an example of each.
One solution: x=5
Zero solutions: 5=8
Infinite solutions: x=x
100
In your own words, explain how inequalities are different from equations.
(answers will vary)
100
Solve:
x/5>=-16
x>=-80
100
What makes two terms like terms?
They have the same variable and that variable is raised to the same power.
200
Solve:
r-11=2
r=13
200
Solve:
8b-8b=-5
No Solutions
200
What are the four inequality symbols and how are each graphed on a number line?
<, > open
<=, >= closed
200
Solve:
3a+9>=36
a>=9
200
In the expression 5x-6, what number is the coefficient? What is the constant?
Coefficient: 5
Constant: 6 or -6
300
Solve:
m/8=-2
m=-16
300
Solve:
100=4(1-3n)
n=-8
300
What is
x>=-9
in words?
x is greater than or equal to -9
300
Solve:
-6(4+b)>=-90
b<=11
300
Simplify the expression:
7x-4+3x-2
10x-6
400
Solve:
(-3+p)/10=1
p=13
400
Solve:
-7a-4a=-5a-2a+16
a=-4
400
Write an inequality for the graph:
x>=-3
400
Solve:
7r-4r>=8+2r
r>=8
400
TRIVIA!
For 800 points....
Name one of these actors:
Harold Ramis, Ernie Hudson, Bill Murray, Dan Aykroyd
500
Solve:
10 + x/7=10
x=0
500
Solve:
9+3p=5(p+1)-6p
p=-1
500
Sketch a graph of the simple
inequality:
4>x
(on graph)
500
Solve:
-3<=3x+1<=1
-6<=x<=-2
500
Simplify the expression:
z-4+8(z-2)
9z-20