Mathematics 8

What is the value of 5 × (2 + 3)?

• 15
• 10
• 25
• 7

If a = 3 and b = 4, what is the value of a²+b²?

• 12
• 25
• 16
• 7

What is the perimeter of a rectangle with length 12 units and width 8 units?

• 30 units
• 15 units
• 20 units
• 40 units

If x+7=15, what is the value of x?

• 8
• 12
• 5
• 10

If a triangle has angles measuring 60°, 70°, and 50°, what type of triangle is it?

• Isosceles triangle
• Equilateral triangle
• Right triangle
• Scalene triangle

Choose the expressions equivalent to 4×(2+3).

• 4+2+3
• 4×(2×3)
• 4-2-3
• 4×2 + 4×3

Which one is the lowest number?

• -111

• -11

• -1

Solve for x in the equation 2^x=16.

• 12
• 4
• 8
• 2

What is the value of (−3)³?

• -27
• 1
• 0
• 9

Simplify: 4^{1/2}

• 8

• 16

• 2

• 32