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






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






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






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






5. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________






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






7. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)






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






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






10. The side of a right triangle opposite the right angle






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






12. A closed three sided figure is called a ____________






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






14. Wha tis the volume of a right circular cylinder with a radius of r and a height of h






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






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






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






18. A rhomus with a right angle






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






20. A triangle whose angles all equal 60 degrees






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






22. Two angles whose sum totals 180 degrees






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






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






25. 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)






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






27. A triangle whose sides are equal






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






29. The inverse property of multiplication says that for every real number a - a cannot = 0 ther is a real number a^____such that a X a ^____ = a^____ X a =1






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






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






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






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






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






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






36. 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






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






38. The volume of a cube is






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






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






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






42. A triangle with having at least 2 equal sides






43. Is a polygon whose angles are equal in measurement






44. Every real number is a ______________






45. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______






46. The graph of y= ax^2 + bx + c is a curve know as a ____________






47. To find the x intersept we need to make __________= 0






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






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






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