Algebra Basics Review

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. For example, 3x + 5 is an algebraic expression.

Tags

CCSS.6.EE.A.2B

Front

Define a variable in algebra.

Back

A variable is a symbol, often a letter, that represents an unknown value in an expression or equation. For example, in the expression 2x + 3, 'x' is the variable.

Tags

CCSS.6.EE.A.2B

Front

What is the difference between an equation and an expression?

Back

An equation is a mathematical statement that asserts the equality of two expressions, while an expression is a combination of numbers, variables, and operations without an equality sign.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.

Tags

CCSS.8.EE.C.7B

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to multiply a single term by each term in a sum or difference.

Tags

CCSS.6.EE.A.3

Front

How do you combine like terms?

Back

To combine like terms, you add or subtract the coefficients of terms that have the same variable raised to the same power. For example, 3x + 5x = 8x.

Tags

CCSS.7.EE.A.1

Front

What is a coefficient?

Back

A coefficient is a numerical factor in a term of an algebraic expression. In 4x, 4 is the coefficient.

Tags

CCSS.6.EE.A.2B

Front

What is a constant in algebra?

Back

A constant is a fixed value that does not change. For example, in the expression 2x + 3, the number 3 is a constant.

Tags

CCSS.6.EE.A.2B

Front

What is a linear equation?

Back

A linear equation is an equation of the first degree, meaning it has no exponents greater than one. It can be written in the form ax + b = 0.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Front

What is the slope-intercept form of a linear equation?

Back

The slope-intercept form of a linear equation is y = mx + b, where m is the slope and b is the y-intercept.

Tags

CCSS.8.F.A.3

CCSS.8.EE.B.6