Year 9 Maths Quiz

Solve the inequality: 5x - 3 > 2

• x > 1

• x < 1

• x = 1

• x >= 1

Which of the following is true about the inequality -2n < 6 when n is multiplied by a negative number?

• The inequality remains the same

• The inequality sign flips

• The inequality becomes an equation

• The solution is n > -3

What is the result of 2^3 × 2^4?

• 2^7

• 2^12

• 2^6

• 2^5

Simplify the expression (a^5) / (a^2)

• a^3

• a^7

• a^2

• a^5

Round 0.005678 to 2 significant figures.

• 0.0057

• 0.0056

• 0.006

• 0.005

Round 45678 to 3 significant figures.

• 45700

• 45680

• 45600

• 457000

Express 0.00045 in standard form.

• 4.5 × 10^-4

• 4.5 × 10^-3

• 45 × 10^-5

• 0.45 × 10^-4

Which number is equivalent to 3 × 10^5?

• 3000

• 300000

• 300

• 30000

Simplify the ratio 20:60.

• 1:2

• 1:3

• 1:4

• 1:5

Divide $80 in the ratio 1:3.

• $20 and $60

• $40 and $40

• $30 and $50

• $10 and $70