CSEC Mathematics worksheet

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

• 3x + 2

• 8x - 2

• 5x - 2

• 8x + 2

Solve for x: 2x + 3 = 11.

• 3

• 2

• 5

• 4

What is the vertex of the quadratic function y = x^2 - 4x + 3?

• (3, 0)

• (0, 3)

• (1, 2)

• (2, -1)

Calculate the mean of the following data set: 4, 8, 6, 5, 3.

• 6.2

• 5.2

• 7.0

• 4.5

If a die is rolled, what is the probability of rolling an even number?

• 1/3

• 1/2

• 2/5

• 3/6

Find the area of a triangle with a base of 10 cm and a height of 5 cm.

• 20 cm²

• 15 cm²

• 30 cm²

• 25 cm²

What is the sine of a 30-degree angle?

• 0.5

• 0.75

• 1.0

• 0.25

Solve the equation: 5x - 7 = 3x + 1.

• 4

• -1

• 6

• 2

Determine the roots of the quadratic equation x^2 - 5x + 6 = 0.

• x = 0, x = 5

• x = -2, x = -3

• x = 1, x = 6

• x = 2, x = 3

If the probability of an event is 0.2, what is the probability of the event not occurring?

• 0.8

• 1.0

• 0.5

• 0.1