WRITE 15 HARD MATH QUESTION FOR 8TH GRADE

1 answer

1. Solve for x: 4x + 8 = 3x - 6.
2. Evaluate the expression: (3 + 4) x (2^2 - 1).
3. Simplify the expression: (2x^2 - 3x + 4) + (-x^2 + 2x -1).
4. Find the missing angle in a triangle where the other two angles measure 60° and 80°.
5. Solve the inequality: 2x - 5 > 3x + 4.
6. Find the volume of a rectangular prism with length 5 cm, width 3 cm and height 10 cm.
7. Simplify the expression: (2a^2b - 3ab^2) / ab.
8. Solve the equation: 2(3x - 4) = 5x + 12.
9. The perimeter of a rectangle is 36 cm. If the width is 4 cm, what is the length?
10. Solve the equation: 3/4x + 1/2 = 1.
11. Find the surface area of a cylinder with radius 4 cm and height 6 cm.
12. Simplify the expression: (5x^2 - 2x + 3) - (3x^2 - 4x + 1).
13. Solve for x: 2(x + 3) = 5(x - 1).
14. Find the area of a trapezoid with bases measuring 8 cm and 12 cm, and height 7 cm.
15. Simplify the expression: (2x^3 - 4x^2 + 5x) / (x^2 - 3x + 2).