Unit 4 Algebra Expressions Quizs

Expand the expression using the distributive property: 2(8x + 7)

• 16x + 14

• 16x + 7

• 8x + 14

• 2x + 7

What does it mean to evaluate an expression?

• To calculate its value by substituting the variables with specific numbers.

• To simplify the expression without calculating its value.

• To rewrite the expression in a different form without changing its meaning.

• To determine the maximum value of the expression.

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

• Count the number of distinct parts in the expression separated by '+' or '-' signs.

• Multiply the coefficients of the terms in the expression.

• Add the exponents of the terms in the expression.

• Identify the highest degree of the expression.

What is a term in an algebraic expression?

• A term is a single mathematical expression that can be a number, a variable, or a combination of both multiplied together.

• A term is always a number and cannot include variables.

• A term is a mathematical operation such as addition or subtraction.

• A term is the result of an equation.

What is a variable in algebra?

• A symbol that represents a known value in an expression or equation.

• A number that does not change in an expression or equation.

• A symbol, often a letter, that represents an unknown value in an expression or equation.

• A constant that is used to define a function.

Identify the coefficients in the expression: 4x + 5y - 2.

• 4 and 5

• 2 and 5

• 4 and -2

• -2 and 5

What is an algebraic expression?

• A mathematical phrase that includes numbers, variables, and operation symbols, such as 3x + 6y.

• A single number or variable without any operations.

• A statement that shows the equality of two expressions.

• A type of equation that only contains constants.

How many terms are in the expression: 5x + 7n - 2?

• 2

• 3

• 4

• 5

Factor the expression using GCF: 12y + 24

• 12(y + 2)

• 6(y + 4)

• 3(4y + 8)

• 12y + 12

What does GCF stand for in algebra?

• Greatest Common Factor

• Greatest Common Fraction

• Generalized Common Factor

• Greatest Common Function