Unit 5A: Equations and Inequalities Flashcards

1

> is an inequality symbol that means

all answers are to the right including that number
all answers are to the left not including that number
all answers are to the right not including that number
all answers are to the left including that number

2

Solve: 2x - 8 = 12

4
10
20
2

3

Which inequality symbol is the "less than or equal to" symbol?

≥
≤
<
>

4

When solving an equation, the goal is to get the _________ by itself.

term
equation
variable
expression

5

The closed circle on the graph means

This is a made up answer
This is the only answer
The number is not part of the solution
The number is part of the solution

6

Whatever you do to one side you _______________________

solve the equation
guess at an answer
do nothing
do to the other

7

The open circle on the graph means

this is the answer
this is the made up answer
the number is not included in the solution
the number is included in the solution

8

To isolate the variable you must use ______________

solutions
inverse operations
guessing methods
substitution

9

The inverse operation of addition is

Multiplication
Division
Subtraction
Distributive property

10

Find the solution: -2m ≤ 10

m ≤ 5
m ≥ -20
m ≥ -5
m ≤ -5

11

Solve: x + 3 = -6

-9
3
-3
9

12

A mathematical sentence with an equal sign.

Solution
Variable
Expression
Equation

13

x/5 = 10

20
50
500
2

14

Solve: y - 11 > 9

y < 2
y > 20
y < 20
y > -2

15

You solve inequalities using inverse operations like equations.

False
True

Unit 5A: Equations and Inequalities

Questions 15

Unit 5A: Equations and Inequalities

Questions 15