Algebraic expressions Chapter 2 Quiz 1

the product of eight and a number

• 8n
• 8xn

• 8-n

• 8+n

the difference between a number and twice the same number n 2 2n

• n+2n

• n-2n

• n2n

• n-2n2

a number decreased by seventeen

• n17

• n+17

• n-17

• 17-n

the sum of twice a number and six

• 2n6

• 2n-6

• 2n(6)

• 2n+6

twenty-four greater than a number n 1 24

• n+24
• n24

• n-24

• n(24)

the calories Joe consumes eating n sweet rolls when one sweet roll has 325 calories

• 325-n

• n+325

• 325n

• 325/n

the number of history books in a store if there are four more than three times the number of math books

• 3x4

• 3x+4

• 3x-4

• 3x÷4

the average of the three numbers

• p+q+r÷3

• p+q+rx2

• p+q+r-3

• p+q+r+3

the quotient of twice a number, and the sum of the number and 7

• 2n-2+7

• 2n÷2+7

• 2n+2+7

• 2nx2+7

the number of animal legs on a farm containing x horses, y cows,

and z chickens

• 4x+4y-2z

• 4x-4y+2z

• 4x-4y-2z

• 4x+4y+2z