Test review Math 7

What is a like term?

• Terms that have the same variable raised to the same power.

• Terms that have different variables raised to the same power.

• Terms that are constants only.

• Terms that have the same coefficients.

What is a term in algebra?

• A single mathematical expression that can be a number, variable, or the product of numbers and variables.

• A collection of equations that represent a function.

• A type of graph used to represent data visually.

• A method for solving quadratic equations.

Evaluate the expression: @@-8 - 5 imes 5^3 + 8@@

• -625

• -600

• -650

• -580

Simplify the expression: @@x + 3x - 6x@@

• 2x

• -2x

• 3x

• -3x

What is the quotient of a number and 4?

• n / 4

• 4 / n

• n + 4

• n - 4

What is the difference between an expression and an equation?

• An expression has an equality sign, while an equation does not.

• An expression is a mathematical phrase, while an equation is a statement of equality.

• An expression can only contain numbers, while an equation can contain variables.

• An expression does not have an equality sign, while an equation does.

What is a coefficient?

• A numerical factor in a term of an algebraic expression.

• A variable that represents a constant value.

• A type of polynomial expression.

• A method for solving equations.

Simplify the expression: 2x - 9 - 2x

• -9

• 0

• -2x

• 2x - 9

Define a variable in mathematics.

• A constant value that does not change.

• A symbol used to represent an unknown value.

• A type of equation that has no solution.

• A method for solving linear equations.

What is the result of @@5 - 2 + 3@@?

• 4

• 5

• 6

• 7