Expressions and Equations Perello

Which expression represents the area?

• 6x + 3

• 8x + 12

• 8x² + 12

• 8x + 3

Which expression represents the perimeter of the triangle?

• 4x + 4y + 5

• 6xy + 7

• 6x + 2y + 5

• 10xy + x + 2y

Which expression represents the area of the rectangle?

• 12x - 2

• 12x - 1

• 8x - 2

• 36x² - 2

Evaluate the expression:
15f - 60  if f = 5

• 15

• 95

• 30

• -45

Applying the distributive property to the expression, 24x + 18y, will produce which equivalent expression?

• 3(8x + 6y)

• 3xy(8 + 6)

• 6(4x + 3y)

• 6(4 + 3y)

The objective when solving an equation is to....

• isolate the variable.

• check the solution.

• guess and check.

• Combine Like Terms.

Translate 4 more than x equals 7 into an equation and solve. 

• x+4=7
  x = 11

• x+4=7
  x = 3

• x-4=7
  x = 11

• x-4=7
  x=3

When solving 234 + N =389, what operation would you use to find the answer

• multiplication

• addition

• subtraction

• division

Translate:
Five more than a number

• x + 5

• 5x

• 5 - x

• 5 divided by x

Translate: 
Four times a number plus six IS 30.

• 4 + 6 = 30

• 4x + 6 = 30

• x + 4 times 6 = 30

• 30 = 4x