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Quiz Lesson 3.1 and Prerequisites Flashcards | StudBud
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Quiz Lesson 3.1 and Prerequisites
Quiz Lesson 3.1 and Prerequisites
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One-step; two-step, & multi-step equations and basic algebraic vocabulary quiz.
Flashcards
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Questions
20
Answers
1
What can you do to isolate the variable?
Cross off the variable
Just move it to the opposite side of the equal sign.
Erase it
inverse operation
2
What is a coefficient?
A term only containing a number
Something in math
A mathematical sentence that contains a equal sign
A number that has a variable in it
3
Second Step in solving a multi-step equation
Add
Multiply
Combine like terms
Divide
4
What is a two-step equation?
An equation that requires one inverse operation to solve.
An equation that requires two regular operations to solve.
An equation that has two correct answers.
An equation that requires two inverse operations to solve.
5
Solve the multi-step equation.
-6
2
-1.38
6
6
Solve the following multi-step equation.
k=5
k=-13
k=13
k=-5
7
Putting together terms with the same variable, raised to the same power is callled___________.
Like Terms
Variable
Multi-Step Equation
Isolate the Variable
8
What is the coefficient of 8y?
larry
8
80
y
9
Third step in solving a multi-step equation
Clear any parenthesis
add
Mutiply
Subtract
10
Multi-Step Equations
x = 2.333
all real numbers
x = 7
x = -7
11
What is an algebraic expression?
algebra
x,y
Mathematical phrase,ordinary numbers,variables,and operators
math
12
What is a variable?
A number that represents a known letter
Example:5
Something
A letter that represents a unknown number
13
The fifth step in solving a multi-step equation?
Divide
Add
Combine terms
Multiply
14
Solve the following two-step equation with variables on both sides.
x = -1
x = -2
x = 2
x = 1
15
What is the difference between an equation and an expression?
Expressions have equal signs, equations don't.
They are the same.
Equations have equal signs and expressions do not.
16
Two-step equation -4x-12=8
x=4
x=-5
x=-4
x=7
17
What are the steps to solve this multi-step equation?
combine like terms to get 9g-2, 2+16=18 then 18÷9 to get g=9
combine like terms to get 9g-2, 2+16=18 then 18÷9 to get g=2
isolate the variable 8-2=6, 6g+g=7g, 16-7=9 to get g=9
18
Solve this equation:
- 20
20
- 6
6
19
Solve this equation:
15
42
36
4
20
Solve the multi-step equation.
2.33
7
17
2.5
