What Is Algebra

What is the main difference between arithmetic and algebra?

• Algebra uses different mathematical operations

• Algebra introduces the element of the unknown

• Arithmetic is more complex than algebra

• Algebra doesn't follow the rules of arithmetic

In algebra, what symbol is commonly used to represent an unknown value?

• #

• @

• x

• ?

Which of the following is a correct statement about variables in algebra?

• A variable can represent different values in the same problem simultaneously

• Variables can only be represented by the letter 'x'

• The same variable can represent different values in different problems

• Variables can never represent the same value as another variable

What does the term "solving an equation" mean in algebra?

• Making the equation more complicated

• Finding the value of the unknown variable

• Removing all variables from the equation

• Adding more variables to the equation

Tags

CCSS.HSA.REI.B.3

What is the "default" operation in algebra when no operation is shown between two symbols?

• Addition

• Subtraction

• Multiplication

• Division

How would you represent "2 times x" in algebraic shorthand?

• 2+x

• 2x

• x2

• 2/x

Tags

CCSS.HSA.SSE.B.3

How can parentheses be used to imply multiplication in algebra?

• By putting a single number inside parentheses

• By putting two groups next to each other with no operation between them

• By putting a variable inside parentheses

• Parentheses can never imply multiplication

Which of the following is a real-world application of algebra?

• Designing telescope lenses

• Describing the slope of a roof

• Predicting population growth

• All of the above

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

CCSS.HSF.BF.A.1