Foundations of Algebra PreAssessment

Front

What is the formula to calculate total cost when given hourly labor rate and parts cost?

Back

Total Cost = (Hourly Labor Rate × Hours of Labor) + Parts Cost

Front

How do you express 'nine less than a number' in algebraic form?

Back

x - 9

Front

Evaluate -2x when x = 10.

Back

-20

Front

What is the value of the expression 3ab when a = 3 and b = 4?

Back

36

Front

How do you solve the equation x + 7 = 12?

Back

x = 5

Front

What is the definition of a variable in algebra?

Back

A symbol (often a letter) that represents an unknown value.

Front

What does it mean to evaluate an expression?

Back

To calculate the value of the expression by substituting variables with numbers.

Front

What is the difference between an equation and an expression?

Back

An equation states that two expressions are equal, while an expression is a combination of numbers, variables, and operations.

Front

How do you isolate a variable in an equation?

Back

By performing inverse operations to both sides of the equation.

Front

What is the distributive property in algebra?

Back

a(b + c) = ab + ac