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






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






3. Two angles whose sum totals 90 degrees






4. Every real number is a ______________






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






6. What is the closure property of multiplication for every real number a - for every real number b _________ is a real number






7. 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






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






9. 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)






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






11. In a function the x value is the ___________variable






12. Is a polygon whose angles are equal in measurement






13. Angles that are equal






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






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






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






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






18. Log base b to the b = ____________






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






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






21. A triangle whose sides are equal






22. A point has no ________or thickness






23. Operation in steps = if an event a ways and followed by b ways followed by c ways the total number of ways it can be done is






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






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






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






27. A series adjacent points that connect






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






29. An angle whose measure is 90 degrees






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






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






32. A ray _________ divides the angle into 2 angles that have equal measure






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






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






35. A _________ number is a number that can be written in the form of a + bi






36. The volume of a cube is






37. A line that intersects a circle in tow point is called the _______






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






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






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






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






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






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






44. 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






45. 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)






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






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






48. i^2 = _____________






49. A triangle with having at least 2 equal sides






50. An angle whose measure is 180 degrees