9/9 Flashcard Algebraic Expressions 2

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable in an algebraic expression.

Front

How do you determine the number of terms in an algebraic expression?

Back

Count the number of distinct parts separated by plus or minus signs in the expression.

Front

What does the expression 5 x (9 - 2) represent in words?

Back

Five times the difference of nine and two.

Front

If S students try out for baseball and 13 are chosen, how do you express the number of students not chosen?

Back

The number of students not chosen is expressed as S - 13.

Front

How do you solve the expression 14 - cd when c = 2 and d = 7?

Back

Substitute c and d into the expression: 14 - (2 * 7) = 14 - 14 = 0.

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols.

Front

What is the difference between a variable and a constant in algebra?

Back

A variable is a symbol that represents an unknown value, while a constant is a fixed value.

Front

How do you simplify the expression 3x + 2y + z?

Back

The expression is already in its simplest form, with three distinct terms.

Front

What is the purpose of parentheses in algebraic expressions?

Back

Parentheses indicate the order of operations, showing which calculations should be performed first.

Front

What is the value of the expression 4m + n + 2 when m = 1 and n = 3?

Back

Substituting the values gives: 4(1) + 3 + 2 = 4 + 3 + 2 = 9.