Year 9 Maths: Inequalities_Indices_Ratio_Fractions

Solve the inequality: 3x + 5 > 11

• x > 2

• x < 2

• x > -2

• x < -2

Which of the following satisfies the inequality 2y - 4 > 6?

• y > 5

• y < 5

• y > 2

• y < 2

Simplify: 2^3 × 2^4

• 2^7

• 2^12

• 2^1

• 2^6

What is (3^2)^3?

• 3^5

• 9^3

• 3^6

• 27^2

Round 0.004567 to 2 significant figures.

• 0.0045

• 0.0046

• 0.00457

• 0.004

Round 45678 to 3 significant figures.

• 45700

• 45600

• 45680

• 45000

Convert 0.000123 to standard form.

• 1.23 × 10^-4

• 1.23 × 10^4

• 12.3 × 10^-5

• 1.23 × 10^-3

Write 7.89 × 10^3 in decimal form.

• 0.00789

• 7890

• 0.0789

• 7.89

Simplify the ratio 15:20.

• 3:4

• 4:3

• 1:2

• 5:7

Divide $120 in the ratio 2:3.

• $48 and $72

• $60 and $60

• $72 and $48

• $40 and $80