Mathematics Try Out for Grade 12

Simplify the expression: 3x + 5x - 2.

• 8x - 2

• 8x + 2

• 5x - 2

• 3x + 2

If sin(θ) = 0.5, what is θ in degrees?

• 30°, 150°

• 90°

• 60°

• 120°

Calculate the mean of the following data set: 2, 4, 6, 8, 10.

• 10

• 6

• 8

• 4

Find the derivative of f(x) = 3x^2 + 2x - 5.

• 6x^2 + 2x

• 6x + 2

• 5x + 2

• 3x + 2

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

• 20

• 15

• 25

• 30

Solve for x: 2x + 3 = 11.

• 4

• 2

• 3

• 5

If cos(θ) = 0.6, find sin(θ).

• 0.5

• 1.0

• 0.9

• 0.8

A die is rolled. What is the probability of rolling an even number?

• 1/3

• 2/3

• 3/6

• 1/2

Evaluate the integral of f(x) = 2x from 1 to 3.

• 6

• 8

• 10

• 4

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

• 14

• 21π

• 14π

• 28