Grade 11 Maths Challenge

Solve the equation: 2x + 5 = 17

• x = 8

• x = 10

• x = 6

• x = 15

Calculate the area of a circle with radius 5 units.

• 30 square units

• 20 square units

• 10π square units

• 25π square units

Find the value of x in the equation: 3x - 7 = 8

• 5

• 6

• 3

• 10

Simplify the expression: 4(2x + 3) - 2(3x - 1)

• 2x + 14

• 6x + 10

• 8x + 12

• 10x + 16

If f(x) = 2x^2 - 5x + 3, find f(3).

• 10

• 7

• 4

• 6

Determine the slope of the line passing through the points (2, 5) and (4, 9).

• 6

• 4

• 3

• 2

What is the value of log(base 2) 16?

• 8

• 2

• 12

• 4

If sin(theta) = 3/5, find cos(theta).

• 2/5

• 1/5

• 4/5

• 5/3

Solve the inequality: 2x + 3 < 7

• x = 2

• x < 2

• x ≤ 2

• x > 2

Calculate the volume of a rectangular prism with dimensions 4cm x 5cm x 6cm.

• 120 cubic cm

• 40 cubic cm

• 30 cubic cm

• 100 cubic cm