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






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






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






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






5. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line






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






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






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






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 __________ (if a - b and c are not zero)






10. What is the surface area of a right circular cylinder with a radius of r and a height of h






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






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






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






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






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






16. Two angles whose sum totals 90 degrees






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






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






19. A portion of a circle is called an ________ of the circle






20. What property of equality says that a=a






21. 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)






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






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






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. Two angles with a common vertex and a common side but no common interior points






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






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






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






29. An angle whose measure is 180 degrees






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






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






32. If all points lie in the same plane they are __________






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






34. Is a polygon whose angles are equal in measurement






35. 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 ___________






36. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba






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






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






39. 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






40. The surface area of a cube is what formula






41. 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






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






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






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






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






46. Is a polygon that is both equilateral and equangular






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






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






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






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