Basic Algebra Review

Kalia buys 5 items that cost d pounds each. She gives the cashier £60. Which expression represents the change she should receive?

• 60-5d

• 5d-60

• 60-d

• 60+d

Translate: two times the sum of a number and five

• 2 + y +5

• 2(y+5)

• 2y+5

• 2-y+5

Translate the expression into words: 6x - 4

• x to the sixth power decreased by four

• six times a number x less than four

• the product of six and a number x decreased by four

• four less than 6

Which operation would you do first

• Addition

• Subtraction

• Multiplication

• Division

Solve: 15x+15= 5x-25

• 4

• -2

• 1

• -4

Solve 2(x-5)=5x+23

• -11

• 11

• 33/7

• 13/3

Solve

• 7

• -7

• 15/9

• 3

Simplify: 4y + 6 - 2y + 7 + 3y

• 5y + 1

• 9y + 13

• 5y + 13

• 7y + 13

Expand the brackets: 6(2t + 4)

• 12t + 4

• 8t + 10

• 12t + 24

• 2t + 24

Expand the double brackets: (x + 2)(x - 3)

• 2x - 1