Substitution
Flashcard
•
Mathematics
•
7th - 9th Grade
•
Practice Problem
•
Medium
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15 questions
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1.
FLASHCARD QUESTION
Front
What is substitution in algebra?
Back
Substitution in algebra is the process of replacing a variable with a number or another expression to simplify or solve an equation.
2.
FLASHCARD QUESTION
Front
How do you evaluate an expression with a given variable value?
Back
To evaluate an expression with a given variable value, substitute the value of the variable into the expression and perform the arithmetic operations.
3.
FLASHCARD QUESTION
Front
What is the value of 3y + 5 when y = 4?
Back
17
4.
FLASHCARD QUESTION
Front
If a = 4 and b = 6, what is the value of 3a + 5b?
Back
42
5.
FLASHCARD QUESTION
Front
How do you solve for an expression involving multiple variables?
Back
To solve for an expression involving multiple variables, substitute the known values of the variables into the expression and simplify.
6.
FLASHCARD QUESTION
Front
What is the result of 5m - 2n when m = 3 and n = 7?
Back
1
7.
FLASHCARD QUESTION
Front
How do you find the value of an expression with three variables?
Back
Substitute the known values of the three variables into the expression and simplify to find the value.
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