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
Our school principal.
Who is Mr. Youngblood?
Distribute and combine like terms
3x + 2(5x - 7)
What is:
13x - 14
Solving Equations
Solve for x.
2x = 8
What is:
x = 4
What are two possible solutions for x?
2x < 4
x: 0,1
Addition is the inverse of division.
False
Haskett Junior High's mascot
Who are the Huskies?
True or False: The following is showing the associative property:
14 + (10 x 2) = (14 + 10) x 2
What is:
False
Solving Equations
Solve for x.
−15 + x = −9
What is:
x = 6
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
Simplify the expression
6(5 x 10) - (2 x 10^2)
What is:
100
Solve for v.
m − 9 = −13
m = -4
Write an Inequality
Brianna, who is not yet 21 years old, is 2 years older than Lily.
x + 2 < 21
Inequalities only have one solution, just like equations.
False. Inequalities have infinitely many solutions.
The difference between an equation and an expression
An equation has an equal sign and an expression does not.
Simplify the expression:
-2(3+1)^3 - 4
- 132
Create an equation that represents the following expression and then solve it.
Harvey's age doubled is 6
2a = 6
a = 3
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.
FALSE
What is the difference between an equation and an inequality?
An equation has an equal sign and an inequality has an inequality symbol.