Simplify Expressions
Distribute
3(4x + 2) =12
x=1/2 or (0.5) or 6/12
Solving Equations
Solve for x.
x + 3 = 7
What is:
x = 4
Solving Inequalities
Solve for c.
c - 11 > 22
What is:
c < 33
We use inverse operations to solve equations and inequalities.
True
How many bathroom passes does each student get a day?
2
Combine like terms
-3x + 2(5x - 4)=13
x=3
Solving Equations
Solve for x.
2x = 8
What is:
x = 4
What is one possible solution for x?
2x < 4
x is any number less than 2.
Ex: 1, 0, -1, -2...
Addition is the inverse of division.
False
What is tomorrow's dress-up day for Home Coming Week?
Birds of a feather! or Twins!
What is a shorter way to write x+x+x+x+x?
5x
Solve for x.
−15 + 6x = −9
What is:
x = 1
Write an inequality
S is at most 55
s <= 55
We use a closed circle to represent the inequalities < and >
False
When can you use your cell phones?
During transition, lunch, before/after school.
Distribute, Then Combine like Terms
6(-5x + 1) -3(4x - 12)=0
x = 1
Solve for v.
2(m − 9) = −12
m = 3
Solve the inequality.
-3x + 8 < -13
x > 7
Inequalities only have one solution, just like equations.
False. Inequalities have infinitely many solutions.
What day is the Home Coming Rally & Game?
Thursday!
Is 3x + 6 equivalent to 3(x+2)?
Yes--they are equivalent expressions by the distributive property.
Create an equation that represents the following expression:
Harvey's age doubled is 6.
2a = 6 or
a + a = 6
Create an inequality to represent the scenario.
Julie earns $7 for each car she washes. This week, she wants to save more than $56. How many cars must she wash?
What is:
7c > 56
Given 2c + 4 > 14
The first step is to divide the coefficient.
FALSE
How much red are you allowed to wear so you're not dress coded?