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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. A triangle with a 90 degrees angle






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






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






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






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






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






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






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






9. What is the volume of a cone






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






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






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






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






15. A collection of points lying on a flat surface that extend indefinitely in any direction






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






17. Angles that are equal






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






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






20. A line that joins the midpoint of two sides of a triangle is called the__________






21. A triangle with having at least 2 equal sides






22. How do you calculate the area of a parallelogram - what is the formula






23. 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)






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






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






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






27. A ___________is a figure with the same number of sides as angles






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






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






30. What is the formula for the area of a square






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






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






33. 1/a^n can also be written as a to the ______






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






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






36. When solving a system of equation with 2 quadratic function - first __________ one equation from the other equation to find isolate one variable - solve for that variable - then ______ and solve for the other variable






37. To calculate the diagnol of a square you multipy any ______by the _______________of 2






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






39. The square of a real number cannot be ___________






40. In a function the x value is the ___________variable






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






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






43. What is the linear equation where a - b and c are constants b cannot = 0






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






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






46. A closed three sided figure is called a ____________






47. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon






48. 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






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






50. 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