Mathematics Challenge_Math awareness month_quiz

Simplify the expression: 3x + 2y - 5z when x=2, y=3, z=1

• 6

• 10

• 8

• 7

Solve the linear equation: 2x + 5 = 15

• x = 5

• x = 10

• x = 7

• x = 3

Calculate the area of a rectangle with length 6 cm and width 4 cm

• 20 square cm

• 28 square cm

• 10 square cm

• 24 square cm

Convert 0.75 to a fraction in simplest form

• 2/3

• 4/5

• 1/2

• 3/4

Identify the line of symmetry in the figure: (x, y) -> (-x, y)

• diagonal

• y-axis

• origin

• x-axis

Find the slope of the line passing through the points (2, 3) and (4, 7)

• 4

• 3

• 5

• 2

Determine the measure of the third angle in a triangle with angles measuring 40° and 70°

• 30°

• 70°

• 90°

• 50°

If a triangle has angles measuring 30° and 60°, what is the measure of the third angle?

• 75°

• 45°

• 90°

• 120°

Calculate the perimeter of a triangle with sides measuring 5 cm, 7 cm, and 9 cm

• 15 cm

• 24 cm

• 21 cm

• 10 cm

Identify the type of triangle with angles measuring 90°, 45°, and 45°

• Obtuse Triangle

• Right Isosceles Triangle

• Scalene Triangle

• Equilateral Triangle