Algebra and Geometry Challenge

What is the value of 3x + 5 when x = 2?

• 7

• 13

• 11

• 9

Simplify the expression: 4(2x + 3) - 5x.

• 4x + 3

• 2x + 7

• -x + 12

• 3x + 12

If a triangle has angles of 45° and 90°, what is the third angle?

• 75°

• 60°

• 30°

• 45°

What is the area of a rectangle with length 8 cm and width 5 cm?

• 20 cm²

• 30 cm²

• 40 cm²

• 50 cm²

Solve for x: 2x - 7 = 13.

• 10

• 0

• 5

• -3

What is the perimeter of a square with side length 6 cm?

• 18 cm

• 12 cm

• 24 cm

• 30 cm

If the equation of a line is y = 2x + 3, what is the slope?

• 1

• 2

• 3

• -2

Calculate the volume of a cylinder with radius 3 cm and height 5 cm.

• 141.3 cm³

• 30 cm³

• 75 cm³

• 200 cm³

What is the distance between the points (2, 3) and (5, 7)?

• 3

• 7

• 5

• 4

If the length of a side of a cube is 4 cm, what is its surface area?

• 96 cm²

• 64 cm²

• 48 cm²

• 80 cm²