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Math quiz bee_elimination
This document contains a quiz with math problems of varying difficulty levels: easy, average, and difficult. The easy problems are worth 1 point each and cover topics like the intersection of lines, factoring, algebraic expressions, evaluating expressions, and identifying quadrants and graphs. The average problems are worth 3 points each and involve factoring quadratics, simplifying expressions, and operations with monomials. The difficult problems are worth 5 points each and require solving systems of equations, finding areas of rectangles, identifying mathematicians, and identifying perfect square trinomials. An answer key is provided with the solutions.
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Math quiz bee_elimination
- 1.
- 2. EASY 1. What isthe intersection of two distinct lines? a. Point b. Line c. Plane d. space
- 3. EASY 2. It isthe reverse process of multiplication. a. Factoring b. Subtracting c. Adding d. Simplifying
- 4. EASY 3. An algebraicexpression that is made up of three or more terms. a. Monomial b. Binomial c. Trinomial d. Multinomial
- 5. EASY 4. Which ofthe following can be factored using the difference of two squares? a. 3x2 – 4x4 b. a4 – 64b3 c. x2 – 81 d. 9b2 – 144c3
- 6. EASY 5. Which ofthe following does not belong to the group? a. - 3 −5 b. −3 −5 c. 3 5 d. - −3 −5
- 7. EASY 6. Evaluate 8x0 a.0 b. 1 c. 8 d. x
- 8. EASY 7. What isthe value of 𝜋? a. 4 b. 3.41 c. 3.1416 d. 3
- 9. EASY 8. In whichquadrant can we found the ordered pair (10, -2)? a. Quadrant 1 b. Quadrant II c. Quadrant III d. Quadrant IV
- 10. EASY 9. If thegraph of a linear function points downward to the right, the function is said to be __________. a. Increasing b. decreasing c. Constant d. Not defined
- 11. EASY 10. The graphof a linear equation in two variables is _________. a. A point b. A line c. A ray d. A segment
- 12. AVERAGE 1. Which ofthe following factors gives a product of x2 + 5x + 4? a. (x + 1) (x + 4) b. (x + 2) (x + 2) c. (x + 5) (x – 1) d. (x + 2)2
- 13. AVERAGE 2. What isthe least common denominator of 1 2𝑥3 , - 3 6𝑥2 , and 𝑥+1 9𝑥 ? a. 9x6 b. 18x3 c. 54x d. 108
- 14. AVERAGE 3. Simplify 4x3– 3x2 – x3 + 5x2 a. 3x3 + 2x2 b. 3x3 – 2x2 c. 5x3 + 2x2 d. 3x3 – 8x2
- 15. AVERAGE 4. Multiply themonomials 3xy2 and 5y. a. 15xy3 b. 15xy2 c. 15x2y2 d. 8xy3
- 16. AVERAGE 5. If thereciprocal of x3 is 27, what is the value of x? a. 1/9 b. 1/3 c. 3 d. 9
- 17. DIFFICULT 1. If (a+ b)2 = 81, and a2 + b2 = 41, what is ab?
- 18. DIFFICULT 2. A rectangleis 3x + 1 units long and 2x – 3 units wide. Find its area.
- 19. DIFFICULT 3. Who wasthe French mathematician and philosopher who invented the rectangular coordinate system?
- 20. DIFFICULT 4. What isthe possible value of b so that 4x2 + bxy + 36y2 would be a perfect square trinomial?
- 21. DIFFICULT 5. The lengthof a rectangle is 2 more than twice its width. If the area of the rectangle is 24 sq meters, find its dimensions.
- 22. ANSWER KEY Easy –1 point 1. a 6. c 2. a 7. c 3. d 8. d 4. c 9. b 5. d 10. b
- 23. AVERAGE 3 points each 1.A 2. B 3. A 4. A 5. B
- 24. DIFFICULT 5 POINTS EACH 1.20 2. 6X2 – 7X – 3 3. Rene Descartes 4. 24 5. L = 8, w = 3