Mathematics Challenge for Grade 10

What is 3/4 as a decimal?

• 0.25

• 0.5

• 1.0

• 0.75

Solve for x: 2x^2 - 8 = 0

• x = 0

• x = 2 or x = -2

• x = 4

• x = -4

Find the mean of the following numbers: 4, 8, 6, 10, 12.

• 8

• 11

• 9

• 7

What is the area of a triangle with a base of 5 cm and a height of 10 cm?

• 30 cm²

• 15 cm²

• 50 cm²

• 25 cm²

Calculate the sine of a 30-degree angle.

• 0.5

• 1.0

• 0.25

• 0.75

Convert 0.75 to a fraction in simplest form.

• 4/5

• 2/3

• 3/4

• 1/2

What are the roots of the quadratic equation x^2 + 5x + 6 = 0?

• 0, -5

• -1, -6

• -4, -2

• -2, -3

If the median of the set {3, 7, 9, 5, 11} is 7, what is the mode?

• No mode

• 11

• 5

• 7

What is the circumference of a circle with a radius of 7 cm?

• Approximately 43.98 cm

• Approximately 21.99 cm

• Approximately 50.24 cm

• Approximately 31.42 cm

If tan(θ) = 1, what is the value of θ in degrees?

• 90°

• 60°

• 30°

• 45°