Algebraic Expressions

Algebraic Expressions Review

Open Ended

Why is it important to understand the different parts of an algebraic expression when solving mathematical problems?

Fill in the Blank

In the algebraic expression 5p + 4, the number p is called the ___.

Multiple Select

Select all the correct statements about variables and constants in algebraic expressions.

• A variable is a symbol that represents one or more numbers.

• A constant is a rational number that stands alone in an expression.

• A variable is always a number.

• A constant is always connected to a variable.

Fill in the Blank

In the algebraic expression 5p + 4, the number 4 is called the ___.

Multiple Choice

Which of the following best describes a 'coefficient' in an algebraic expression?

• The result of a multiplication problem

• A rational number in an expression or equation that is connected to a variable

• A symbol that represents an unknown value

• A number that stands alone in an expression

Fill in the Blank

In the algebraic expression 5p + 4, the number 5 is called the ___.

Multiple Choice

Which of the following best describes a 'variable' in an algebraic expression

• The result of a multiplication problem

• A rational number in an expression or equation that is connected to a variable

• A symbol that represents an unknown value

• A number that stands alone in an expression

Multiple Choice

Identify the constant in the expression:

$$3x+2y+7$$

• 2y

• 7

• 3

• 2

Multiple Choice

How many terms are in the expression:

$$3x+2y+z$$

• 2

• 5

• 3

• 2

Multiple Choice

What is a constant?

• A letter standing alone

• A number standing alone

• A term with no variables

• A term with numbers and variables

Multiple Choice

A term can be made up of which of the following?

• A number standing alone

• A variable standing alone

• A coefficient with a variable

• All of the above

Multiple Choice

Which of the following is not true of an expression?

• It can be solved

• It can be evaluated

• It is a mathematical phrase

• It does not have an equal sign

Multiple Choice

Let x=2. Evaluate 3x-4.

• -6

• 6

• 2

• -2

Multiple Choice

Evaluate $$4n-n^2$$ for n=3.

• 3

• 6

• 4

• 5

Multiple Choice

Evaluate $$\left(2y-5\right)_{ }^2$$ for y=3

• 1

• 3

• 2

• 4

Multiple Choice

Evaluate $$3a^2-ab\$$ when a=2 and b=3.

• 3

• 6

• 5

• 4

Multiple Choice

The length of a rectangle is represented by $$\left(5x-3\right)$$ and the width is $$\left(x+3\right).$$ If x=2 then which of the following values is the actual perimeter of this rectangle?

• 24

• 20

• 18

• 14

Multiple Choice

Let p=2and q=3. Evaluate $$4p^2-4q.$$

• 24

• 12

• 18

• 14