Expressions & Equations

x + x is:

• An adjective

• An expression

• An equation

• A graph

• None of the options above

7 + 3x = 1 is:

• An adjective

• An expression

• An equation

• A graph

• None of the options above

The expression n + n + n in the simplest form is:

• n³

• 3n

• 2n + n

• n + n + n

Simplifying the expression n + m + p, you get:

• 2nm+p

• 3nmp

• n + m + p

• nmp

Simplify the expression 9p + 12q - 6p - 10q

Select the 3 expressions that are equal when simplified.

• 3 (16x + 12)

• 2 (18 + 24x)

• 4 (12x + 8)

• 6 (6 + 8x)

Solving the equation m - 3 = 11 you get:

• m = 14

• m = 8

• m = 11/3

• None of the options are correct.

Solving the equation n + 2 = 7 you get:

• n = 9

• n = 5

• n = 72

• n = 7/2

Solving the equation 3b + 2 = 17 you get:

• 5

• 15

• 18

• 12

y = 2 (x + 1). Tick the two options that are true/correct:

• a = -2

• b + c = 5

• b = 0

• c = 5