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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. Log base b to the b = ____________






2. 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






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






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






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






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






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






8. For each real number a - for each real number b - if a= b - then b=a






9. Is a polygon that is both equilateral and equangular






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






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






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






13. What property of equality says that a=a






14. The measure of a minor arc is the measure of the __________that intercepts the arc






15. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________






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






17. A series adjacent points that connect






18. The square of 0 is _____






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






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






21. 1/a^n can also be written as a to the ______






22. 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






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






24. A triangle whose sides are equal






25. A rhomus with a right angle






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






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






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






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






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






31. The associative property of multiplicaiton for every real number a - for every realy number b for every real number c (ab)c = ______






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






33. Angles that are equal






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






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






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






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






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






39. The absolue value of the difference of the coordinates of any two points on the real number line






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






41. Is a polygon whose angles are equal in measurement






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






43. The segment from the center of the polygon perpendicular to as side of the polygon






44. 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






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






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






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






48. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle






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






50. What is the area of a pyramid or cone (hint B= area of Base)