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






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






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






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






6. What is the volume of a cone






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






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






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






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






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






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






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






14. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac






15. 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)






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






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






18. A triangle whose sides are equal






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






20. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






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






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






23. 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






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






25. A triangle whose angles all equal 60 degrees






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






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






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






29. A closed three sided figure is called a ____________






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






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






32. Is a polygon whose sides are equal in measure






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






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






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






36. 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)






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






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






39. What is the formula the formula for an arc if you know the radius and the n= central angle






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






41. Is a polygon that is both equilateral and equangular






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






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






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






45. Angles that are equal






46. Two or more distinct lines are said to be ____________ if and only if they are coplanar and they do no intersect






47. ___________is a quadrilateral whose opposite sides are parallel






48. 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)






49. To solve a system of equations you must first make the two equations ___________to each other - then use the discrimant to find if the system has any real roots






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







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Can you answer 50 questions in 15 minutes?


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