Combined parts 1 & 2 -7th grade review/practice 3rd 9 Final

Mathematical Equivalence

ON

Which of the following is equivalent to this expression?

-3 (y - 2)

• -3y + 2

• - 3y - 2

• -3y + 6

• -3y - 6

What is the perimeter of the quadrilateral in the picture?

• 20x + 8

• 25x -7

• 21x - 3

• 15x +7

If 3x = - 24, what is the valiue of x?

• - 7

• - 8

• 7

• 8

• -1.9

• 1.7

• 1.1

• 7.7

What are all possible values that satisfy the equation 8 - 2y < 10?

• y < -1

• y > -1

• y < 9

• y > 9

• - 15

• - 10

• 10

• 15

• add 7 to both sides

• subtract 7 from both sides

• subtract 7 from the left side and add 7 to the right side

• add 7 to the right side and subtract 7 from the left side

• 13

• 14

• 15

• 16