Simplify Expressions
Distribute
3(4x + 2)
What is:
12x + 6
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
Solve for x.
| x | = 3
What is:
3, -3
Combine like terms
15j + 5j - 7j
What is:
13j
Solving Equations
Solve for x.
2x = 8
What is:
x = 4
What are two possible solutions for x?
2x < 4
x: 0,1, etc.
Addition is the inverse of division?
False
Solve for x.
| x | = -3
No Solution
Combine like terms
12y + 5 - 2y + 3
What is:
10y + 8
Solving Equations
Solve for x.
5x = 25
What is:
x = 5
Write an inequality
S is at most 55
s <= 55
We use a closed circle to represent the inequalities < and > ?
False
What is 25% of 200?
What is:
50
Distribute, Then Combine like Terms
5(x + 4) +3x
What is:
8x +20
Solve for v.
2v + 14 = 30
v = 8
Write an Inequality
J is less than 8
J < 8
Inequalities only have one solution, just like equations.
False. Inequalities have infinitely many solutions.
4 | x + 3 | = 16
What is:
1, -7
Distribute then simplify
6 + 2(3x - 4)
What is:
6x - 2
Modeling Equations
Create an equation that represents the following expression and then solve it.
Harvey's is 6 years older than Harry, their ages added together is 54.
6 + a + a = 54
2a + 6 = 54
a = 24
a = Harry's age
Modeling and Solving Inequalities
Create an inequality to represent the scenario and solve the inequality
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 c + 4 > 14
We use the inverse operation of subtraction to solve the inequality.
TRUE
Solve for x.
|2x - 6| + 5 = 23
What is
12, -6