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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. What is the formula for the area of a square






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






3. Two angles whose sum totals 90 degrees






4. The ____________ says y - y1= m(x-x1)






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






6. A __________is any process that assigns a ___________value of y to each number of x






7. A set of points in the seame plane equidistant from a fixed point - called its center






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






9. In order to decimal to a percentage you need to ______ by 100






10. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)






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






12. y2- y1 divided by x2- x1 = the ____________






13. In a quadratic equation with 2 unknown which has the formula ax^2 + bxy + cy^2 + dx + ey + f the graph is _____________ or a pair of __________ if ( b^2-4ac= 0) which may be coincident or it does not exist






14. If you want to convert a fraction to a percentage you need to make it =






15. An angle whose measure is 90 degrees






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






17. When you see f of g replace the x in f(x) with the ___________






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






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






20. Log base b to the b^x =






21. Is a polygon whose sides are equal in measure






22. A __________________ is a circle passing through all the vertices of a polygon






23. The least common multiple is the smallest quantity divisible by ______ number of the set






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






25. 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






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






27. Every real number is a ______________






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






29. In the law of proportion if a/b = c/d then ad =






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






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






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






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






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






35. What is the formula for a square if you only know the length of the diaganol






36. Is a polygon whose angles are equal in measurement






37. ___________is a quadrilateral whose opposite sides are parallel






38. 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 __________ (if a - b and c are not zero)






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






40. When you find the inverse of a function switch the x value with a ____ - solve for y






41. A parallelogram that has tow adjacent sides that are equal and whose sides are perpendicular to each other






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






43. 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 __________ (b^2-4ac greater then 0)






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






45. The square of a real number cannot be ___________






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






47. When calculating the number of sides in a polygon make 360 degrees/ n = ______________






48. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)






49. What property of equality says that a=a






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