Simplify the expression: 3x + 5x.

• 5x + 3

• 9x

• 8x

• 6x

Evaluate the expression when x = 2: 4x + 3.

• 13

• 11

• 7

• 9

Simplify: 2(a + 3) + 4a.

• 6a + 6

• 4a + 6

• 6a + 3

• 2a + 3

Evaluate: 5m - 2 when m = 3.

• 11

• 15

• 13

• 9

Identify the pattern: 2, 4, 6, __, __.

• 7

• 8, 10

• 9

• 12

Simplify: 10 - 3x + 2x.

• 7 - 3x

• 10 + x

• 10 - x

• 10 - 3x + 2

Evaluate: 3p + 4 when p = 1.

• 8

• 7

• 10

• 5

What does it mean to evaluate an expression?

• Evaluating an expression means simplifying it.

• Evaluating an expression means calculating its value.

• Evaluating an expression is the same as defining it.

• Evaluating an expression involves rewriting it in a different form.

Identify the variable in the expression: 9 - 2y. Variable = Pemboleh ubah

• 9

• y

• 2

• -2y

Simplify: 5(x + 2) - 3x.

• 2x + 10

• 2x - 10

• 5x + 2

• 3x + 10