Year 9 Maths Quiz

Solve the linear equation 3x + 5 = 2x - 3

• x = 7

• x = 0

• x = 10

• x = -8

Factorize the quadratic equation x^2 + 5x + 6

• (x + 3)(x + 3)

• (x + 4)(x + 2)

• (x + 1)(x + 6)

• (x + 2)(x + 3)

Find the hypotenuse in a right-angled triangle with sides 3 and 4 using the Pythagorean theorem

• 7

• 10

• 5

• 2

Calculate the mean of the following set of numbers: 5, 7, 9, 12, 15

• 13.4

• 10.5

• 9.6

• 8.2

Convert 2.5 kilometers to meters

• 5000 meters

• 2500 meters

• 2000 meters

• 25 meters

Solve the linear equation 2y - 8 = 3y + 4

• -12

• 5

• 10

• -6

Find the roots of the quadratic equation 2x^2 - 7x + 3

• x = 4, -1

• x = 0, 3

• x = 2, -3

• x = 1.5, 1

Determine the length of the side opposite the right angle in a triangle with sides 5 and 12 using the Pythagorean theorem

• 13

• 7

• 15

• 10

Calculate the median of the following set of numbers: 10, 15, 20, 25, 30

• 25

• 10

• 15

• 20

Convert 500 milliliters to liters

• 5 liters

• 0.5 liters

• 0.05 liters

• 50 liters