Solving Equations
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
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
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
Solve for v.
v + 14 = 30
v = 16
Write an Inequality
j is below 8
j < 8
Inequalities only have one solution, just like equations.
False. Inequalities have infinitely many solutions.
Modeling Equations
Create an equation that represents the following expression and then solve it.
Harvey's age doubled is 6
2a = 6
a = 3
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