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






2. A triangle whose sides are equal






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






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






5. 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






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






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






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






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






10. 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






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






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






13. An angle whose measure is greater than 180 degrees and less than 360 degrees






14. Every real number is a ______________






15. Once you find the roots of a radical equation you must check them to see if any are __________roots (which means they are not equal when plugged back into the original formula) these roots must be ___________






16. A line segment connecting a vertex of a triangle and the midpoint of the opposite side is called a __________ of a triangle






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






18. A triangle whose angles all equal 60 degrees






19. A point has no ________or thickness






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






21. Angles that are equal






22. The measure of a minor arc is the measure of the __________that intercepts the arc






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






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






25. A rhomus with a right angle






26. A line that divides a line segment into two congruent segments






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






28. Is a polygon whose sides are equal in measure






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






30. What is a quadrilateral with 2 and only 2 sides parallel






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






32. The square of a real number cannot be ___________






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






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






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






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






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






38. Two angles with a common vertex and with sides that are 2 pairs of opposite rays






39. A parallelogram with right angles and equal diagonals






40. Two angles whose sum totals 180 degrees






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






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






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






44. 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)






45. A triangle with no equal sides






46. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________






47. 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)






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






49. What property of equality says that a=a






50. i^2 = _____________