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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. What is the formula for the area of a triangle






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






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






4. Every real number is a ______________






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






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






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






8. When you see f of g replace the x in f(x) with the ___________






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






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






11. The volume of a cube is






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






13. 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 ___________






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






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






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






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






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






19. A point has no ________or thickness






20. Is a polygon that is both equilateral and equangular






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






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






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






24. 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)






25. Is a polygon whose angles are equal in measurement






26. A triangle whose angles all equal 60 degrees






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






28. A __________is any process that assigns a ___________value of y to each number of x






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






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






31. 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






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






33. A triangle with no equal sides






34. The surface area of a cube is what formula






35. 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)






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






37. Two angles whose sum totals 90 degrees






38. Is a polygon whose sides are equal in measure






39. Two angles whose sum totals 180 degrees






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






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






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






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






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






45. A closed three sided figure is called a ____________






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






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






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






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






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