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






2. What is the formula to calculate the area of a rectangle






3. An angle whose measure is larger than 90 degrees but less than 180 degrees






4. The sum of the interior angles of a triangle = ___________






5. The __________of a triangle is a line segment from a vertex of the triangle perpendicular to the opposite side






6. The _______ tells how many times the root needs to be multiplied by itself






7. Two distinct straight lines can intersect at most at only one point






8. What is the formula for the area of a circle






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






10. What is the linear equation where a - b and c are constants b cannot = 0






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






12. What is the formula for a combination (where order matters)






13. A portion of a circle is called an ________ of the circle






14. The segment from the center of the polygon perpendicular to as side of the polygon






15. The union of two rays having the same end point






16. The y value of the vertex of parabola is the equation






17. What is 4 to the power of 1/2 or 4^1/2






18. The x value of the vertex of a parabola is the equation






19. The greatest common factor is the largest __________that is common to all member of the set






20. The surface area of a cube is what formula






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






22. Is a polygon whose angles are equal in measurement






23. 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)






24. In the law of proportion if a/b = c/d then (a+b)/ b =






25. Two angles whose sum totals 180 degrees






26. A triangle with a 90 degrees angle






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






28. Angles that are equal






29. What property of equality says that a=a






30. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line






31. 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)






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






33. An angle whose measure is 180 degrees






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






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






36. Two angles whose sum totals 90 degrees






37. In the law of proportion if a/b = c/d then (a - b)/b =






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






39. In a function the x value is the ___________variable






40. The absolue value of the difference of the coordinates of any two points on the real number line






41. A rhomus with a right angle






42. A closed three sided figure is called a ____________






43. The square of a real number cannot be ___________






44. What property of equality ways for each real number a - for each real number b - for each real number c - if a=b and b=c - then a=c






45. The _________property of addition says that for every real number a - for every real number b for every real number c (a+b) + c = a + (b+c)






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






47. How do you calculate the area of a parallelogram - what is the formula






48. A line segment joining two poing on a circle is called a ________






49. A series adjacent points that connect






50. The square of both a positive number and a negative real number is _____________