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






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






3. 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






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






5. A series adjacent points that connect






6. What is the volume of a cone






7. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






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






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






10. The square of a real number cannot be ___________






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






12. The value of x where a point intersects the Y axis= ___________






13. The set of all points on a half line and the dividing point itself






14. A closed three sided figure is called a ____________






15. Is a polygon whose angles are equal in measurement






16. Two lines are said to be ______________ if they intersect and form right angles






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






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






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






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






21. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle






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






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






24. What are the 2 formulas to calculate the circumference of a circle






25. Two angles whose sum totals 90 degrees






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






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






28. An angle whose measure is 180 degrees






29. An angle whose measure is larger than 0 degrees but smaller than 90 degrees






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






31. What property of equality says that a=a






32. Two angles whose sum totals 180 degrees






33. 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






34. The __________property of additon says that fro every real number a - ther is a real number such that a + - a = - a+ a = 0






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






36. When solving a system of equation involving quadratics and one is linear and the other is quadratic - solve the _______ first - then substitue the found value into the quadratic and solve for the other unknown






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






38. ___________is a quadrilateral whose opposite sides are parallel






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






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






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






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






43. 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)






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






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






46. 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)






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






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






49. Every real number is a ______________






50. A triangle whose angles all equal 60 degrees






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