7th Grade : Cambridge Mathematics - Unit 2 Equation & Inequality

Looks carefully of this expression: p – 77 + 3q + 21 - 2r + 33 . Find the coefficient of the expression

• 1, 3, -2

• -77, 21, 33

• p, q, r

• none of these

Looks carefully of this expression: p - 77 + 3q + 21 - 2r + 33 . Find the constants of the expression

• 1, 3, -2

• -77, 21, 33

• P, q, r

• None of these

Looks carefully of this expression: p - 77 + 3q + 21 - 2r + 33 . Find the variables of the expression

• 1, 3, -2

• -77, 21, 33

• p, q, r

• None of these

Simplify this expression: 2x + 3y - 7x + 3x - y + 7y + 13

• 2x + 9y

• 3x + 8y + 13

• 2x - 9y + 13

• 9y - 2x + 13

Simplify this expression: 4Q - 12 + 3P - 13 - 2Q - P

• 2P + 2Q - 25

• 4P - Q + 25

• 6Q + 4P + 25

• 2Q + 2P + 1

Fachri is X years old. Dito is 5 years older than Fachri. Naufal is 3 years younger than Fachri. Ms. Pipit is two times Fachri's age. Ms. Tina is 3 years younger than Ms. Pipit. Write down an expression for Dito's age

• 2X

• X - 3

• X + 5

• 2X - 3

Fachri is X years old. Dito is 5 years older than Fachri. Naufal is 3 years younger than Fachri. Ms. Pipit is two times Fachri's age. Ms. Tina is 3 years younger than Ms. Pipit. Write down an expression for Naufal's age

• 2X

• X - 3

• X + 5

• 2X - 3

Fachri is X years old. Dito is 5 years older than Fachri. Naufal is 3 years younger than Fachri. Ms. Pipit is two times Fachri's age. Ms. Tina is 3 years younger than Ms. Pipit. Write down an expression for Ms. Pipit's age

• 2X

• X - 3

• X - 5

• 2X - 3

Fachri is X years old. Dito is 5 years older than Fachri. Naufal is 3 years younger than Fachri. Ms. Pipit is two times Fachri's age. Ms. Tina is 3 years younger than Ms. Pipit. Write down an expression for Ms. Tina's age

• 2X

• X - 3

• X - 5

• 2X - 3

Simplify this expression to the simplest form: 3a/4 + 2a/6

• 5a/10

• 5a/12

• 13a/12

• 10a/12