3-1
Defining the variable: identify what you are trying to find & assign a variable to represent that thing.
OPEN!!!
what is one key word that indicates <
is less than
is fewer than
is smaller than
5(6x + 3)
30x + 15
true or false? you use inverse operations to solve to solve two-step equations.
How do you know which way to draw your line when graphing?
On the inequality, where the two sides of the inequality meet will be pointing in the direction you draw the line.
what is one keyword that indicates >
is greater than
is more than
is bigger than
is larger than
Solve the following problem.
8x + 32
8 (x + 4)
write a equation to represent the following problem.
A cell phone company charges a monthly fee of $30.00 plus 0.25 for each text you send. You owe $59.50 at the end of the month. How many texts did you send?
.25t + 30 = 59.50
which way would you draw the line?
X > 9
right
what is one keyword that indicates ≤
Is less than or equal to
fewer than or equal to
No more than
At most
A maximum of
What are the steps to successfully factor?
1. Find GCF
2. divide everything by GCF
3. write quotient in parentheses
4. put divisor in fron of parentheses.
Solve.
.25t + 30 =59.50
118
solve.
-36 > 6x + 12
x < -8
what is one keyword that indicates ≥
Is greater than or equal to
More than or equal to
No less than
At least
A minimum of
How are the distributive property, and factoring related?
They are inverse properties, distributive property simplifies, factoring undoes that.
solve.
-7.2(X + 2.1) = -39.6
X=3.4
solve.
1/3 + x/18 < 1/2
x<3
what are the steps to successfully write, solve, and graph the solution to two-step inequalities from stories?
Define the variable
Keywords for 2 operations
Keywords for inequality symbol
Other important information
Translate from story, don’t solve.