Math Practice Questions PDF

# Reviewer M9 1. The weight of an object varies as the product of its mass and the acceleration due to gravity. This statement falls under what type of variation? 2. The relationship between two or more quantities where one quantity varies in relation to another. 3. The cost *e* varies directly as...

# Reviewer M9 1. The weight of an object varies as the product of its mass and the acceleration due to gravity. This statement falls under what type of variation? 2. The relationship between two or more quantities where one quantity varies in relation to another. 3. The cost *e* varies directly as the number of books *n* is written as _______ 4. Allan's income varies directly as the number of days that he works. If he earns P 12,000 in 20 days, how much will he earn if he works twice as long? 5. *y* varies directly as *x* and *y* = 32 when *x* = 4. Find the constant of variation. 6. What is the result when we simplify $ \frac{m^8 n^6 o^{-2}}{m^4 n^2 o^{-4}} $? 7. What is the simplified form of 4 ^ 0 * 5 ^ -2 * 6 ^ -1 * 100 ^ 0 * 2? 8. Simplify (2r^17 s^12 t^0)^ (-3r^8 s^7 t^3) 9. The value of *x* in the equation √*x* = 9 is _______ 10. Find the value of *x* in the equation 4 + √*x* = 12 11. What is the product of 2*x* and -3*x*^2 ? 12. The length of a rectangle is 3*x* ^3 meters and its width is 4*x*^2 meters. What is its area? 13. Transform 3*m*^2 into radical form. 14. Simplify $√ x^2/12$ by making the radicand integral. 15. The simplified form of √40 is _______ 16. What is the simplified form of √3/√2 ? 17. What is the result when we simplify √2/√5 ? 18. The simplified form of √16*x* ^4 *y* ^2 is _______ 19. What is the result after simplifying 2√3 + 4√3 - 5√3? 20. What is the difference between 7√50 and 3√32? 21. Which of the following is the result when we simplify (2 + √5) (5 - √5) ? 22. The product of √3(√*y* + √3) is _______ 23. Solve the value of *x* in the equation √*x* + 1 = 5. 24. Luis walks 5 kilometers due East and 8 kilometers due North. How far is he from the starting point? 25. On Earth the acceleration *g* due to gravity is approximately 32 ft per second. Using the formula *v* = √2*g*d, what is the velocity of an object after falling 7 feet from the point where it was dropped?