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Praxis I Math

Subjects : praxis, math
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________






2. The inverse property of multiplication says that for every real number a - a cannot = 0 ther is a real number a^____such that a X a ^____ = a^____ X a =1






3. Three or more points are said to be ___________if an only if they lie on the same line






4. Positions = number of position can be calculated by finding the ______ of the total number of items






5. In a logarithm the answer following the = sign is the __________






6. A point has no ________or thickness






7. The square of 0 is _____






8. What is the surface area of a right circular cylinder with a radius of r and a height of h






9. Two angles whose sum totals 180 degrees






10. x= - b (+ or -) square root of (b^2-4ac) divided by 2a - is called the _____________ and can be used to find the roots of a problem






11. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






12. What is the volume of a sphere with a radius r






13. When calculating the probability of independent events you need to __________ (words like and &' followed by' )






14. The side of a right triangle opposite the right angle






15. What is the area of a pyramid or cone (hint B= area of Base)






16. To solve a system of equations you must first make the two equations ___________to each other - then use the discrimant to find if the system has any real roots






17. For each real number a - for each real number b - if a= b - then b=a






18. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac






19. A triangle with a 90 degrees angle






20. To find the x intersept we need to make __________= 0






21. What is the formula for the area of a rhomus - (hint d= diagonal)






22. What is the formula for the area of a square






23. When you have a linear equation such as ax + by = c you may use ___________ or _____________ to solve the problem - (you may first have to multiply through one of the equation to make either the x or y value equal)






24. What is the square of ((x1-x2) + (y1- y2)) =






25. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number






26. To calculate a permutation (order does not matter) what is the formula






27. A triangle with three acute angles (less than 90 degrees)






28. _____________ of angles is an equivalance relation - it is reflexive - symmetric and transitive






29. The graph of y= ax^2 + bx + c is a curve know as a ____________






30. Log base b to the b = ____________






31. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______






32. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides






33. A collection of points lying on a flat surface that extend indefinitely in any direction






34. ___________is a quadrilateral whose opposite sides are parallel






35. A triangle with one obtuse angle (angle greater than 90 degrees) is






36. A ___________is a figure with the same number of sides as angles






37. A closed three sided figure is called a ____________






38. The __________ of a regular polygon is the segment joining an vertex with the center of the polygon






39. What type of trapezoid has its non parallel sides equal






40. In complex numbers the square root of -1 = ______






41. The value of y where a point intersects the x axis = __________






42. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')






43. What is the formula for the area of a triangle






44. What is the surface area of a sphere with a radius r






45. A triangle with having at least 2 equal sides






46. What property of equality says that a=a






47. Two angles whose sum totals 90 degrees






48. In a quadratic equation in 2 unknowns has the general formula ax^2 + bxy + cy^2+dx +ey+ f = 0 the graph is called an __________or a __________ or __________(b=0 and a=c)






49. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________






50. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______







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Can you answer 50 questions in 15 minutes?


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