Algebra 1 3-2 Mixed Review: Solving Inequalities Using Addition or Subtraction
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Review Lesson 3-1: Define a variable and write an inequality to model the situation.
A hummingbird migrates more than 1850 mi.
Review Lesson 3-1: Define a variable and write an inequality to model the situation.
An octopus can be up to 18 ft long.
Review Lesson 1-2: Simplify the expression.
Enter only a number.
Review Lesson 1-2: Simplify the expression.
Enter only a number.
Review Lesson 1-2: Simplify the expression.
Enter only a number, in decimal form.
Review Lesson 2-1: Solve the equation.
Enter only a number.
Review Lesson 2-1: Solve the equation.
Enter only a number, in this form: -21/4
Review Lesson 2-1: Solve the equation.
Enter only a number in simplest form.
Vocabulary Review: Match each verbal description on the left with its inequality symbol on the right.
less than
at most
no greater than
fewer than
more than
no more than
greater than
as little as
greater than or equal to
at least
less than or equal to
no less than
<
>
<
>
Use Your Vocabulary: Categorize each of the equations.
3 = x
x = 1/3
x + 2 = 5
x + 2 = 5 - 2
Equivalent to the equation x = 3
Not equivalent to the equation x = 3
Use Your Vocabulary: Categorize each of the inequalities.
3 ≥ x
x ≤ 1/3
x + 2 ≥ 5
x + 2 ≤ 5 - 2
Equivalent to x ≤ 3
Not equivalent to x ≤ 3