Grade 8 Mathematics AssessmentInstructions: Answer each question carefully. Write your answer in the space provided.Please enable JavaScript in your browser to complete this form.Please enable JavaScript in your browser to complete this form.Name *FirstLastGrade * What this is Contact Number *Phone number or WhatsApp numberEmail *1. Solve for x: 4x - 7 = 212. Simplify: 5(3x - 2) + 4x 3. What is the value of y if 3y + 5 = 20? 4. Factor the expression: x² - 25 5. If f(x) = x² + 3x - 4, find f(2). 6. What is the area of a triangle with a base of 10 cm and a height of 6 cm? 7. Calculate the circumference of a circle with a radius of 5 cm (use π ≈ 3.14). 8. Find the volume of a rectangular prism with length 3 cm, width 4 cm, and height 5 cm. 9. What is the measure of each interior angle of a regular octagon? 10. A square has a perimeter of 32 cm. What is the length of one side? 11. What is the greatest common divisor (GCD) of 48 and 60? 12. How many prime numbers are there between 1 and 50? 13. What is the least common multiple (LCM) of 6 and 9? 14. Convert the fraction 7/8 to a decimal. 15. Calculate: (-4)² - (-2)² 16. Find the mean of the following set of numbers: {10,20,30,40}. 17. If the median of the set {1,x,3,x+2} is equal to x+1, what is the value of x? 18. A class has scores: {85,90,75,X}. If the average score is to be at least an A (90), what is the minimum value for X? 19. In a survey of students' favorite colors: Red (15), Blue (25), Green (10). What percentage preferred blue? 20. If a box contains red balls (12), blue balls (18), and green balls (6), what fraction represents the green balls? 21. If the ratio of boys to girls in a class is 4:5 and there are a total of 45 students, how many boys are there? 22. Solve for x in the proportion: (4/5) = (x/25). 23. A recipe requires flour and sugar in a ratio of 3:1. If you use 9 cups of flour, how many cups of sugar do you need? 24. If two angles are complementary and one angle measures x degrees, what is the measure of the other angle in terms of x? 25. Convert the decimal number .625 to a fraction in simplest form.26. Calculate the square root of 144.27. If you roll a fair six-sided die, what is the probability of rolling an even number?28. What is the next number in this sequence: (3,6,...12)?29. Find the slope of the line passing through points (1,-1) and (3,-3).30. Write an equation for this line that passes through point (0,-4) with slope (2).Assess My Answers
