G9 Remedial Task 4

What do you mean by "like terms" in algebraic expression?

• Terms with the same variable

• Terms with the same power

• Terms with different power but same variable

• Terms with the same variable and same power

What is the sum of 9x and 3x?

• 12 x^2

• 12x

• 24x

• 12 x^3

How many pair of like terms do we have in 7x + 2y - 4x + 2y?

• 1

• 2

• 4

• 5

What is the simplest form of 7x + 2y - 4x + 2y?

• 4y - x

• 4y^2 - 3x

• 3x + 4y

• -3x - 4y

Simplify -10a + 2ab + 9a + ab + 9a - 8

• -3a + 8b - 8

• 8a + 3b - 8

• -8a - 3b + 8

• 3a - 8b + 8

Use distributive property to simplify 7(a - 9)

• 7a - 63

• a^7 - 63

• a - 63

• 56a

Simplify 10(-5x - 4y)

• 5x - 6y

• -90xy

• -50x - 40y

• -10xy

Simplify 4 + 2(n + 6)

• 2n + 16

• 6n + 6

• 12n

• 8n + 24

Which of the following is the resulting expression after removing the brackets?

• g + 21h + 8g - 6h

• 7g + 3h + 8g - 6h

• 7g + 9h - 4g - 6h

• 7g + 21h + 8g - 24h

Simplify 18x - 10(2x - 2y + 9) - 6x

• 4x + y - 9

• -8x + 20y - 90

• -20x + 20y - 90

• 10xy - 90