Algebra Fundamentals

Write an expression for the following: the product of 8 and y

• 8 + y

• 8y

• 8 / y

• y / 8

Write an expression for 8 times q

• 8 + q

• 8 / q

• 8 - q

• 8q

Write an expression for the following: the sum of 7 and x, divided by 4

• 7x / 4

• (7+x) / 4

• (7-x) / 4

• 4 / (7+x)

A letter used to represent a number is called a(n)

• term

• expression

• equation

• variable

Write an expression for the following: the quotient of 20 and n

• n / 20

• 20 / n

• 20n

• n x 20

Write an expression for the following: the difference between r and 9 (r>9)

• r / 9

• r - 9

• 9 x r

• 9 - r

Write an expression: 6 less than z

• z - 6

• 6 - z

• 6z

• 6z - z

Write an expression for one third of m

• 3m

• 3 - m

• m - 1/3

• 1/3 x m

Write an expression for the following: three less than the product of 8 and r

• 8r - 3

• 3 - 8r

• 3r - 8

• 8 - 3r

7 less than a number d

• 7 - d

• d - 7