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






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






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






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






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






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






7. 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 ___________






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






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






10. In a function the x value is the ___________variable






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






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






13. 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






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






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






16. 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)






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






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






19. 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






20. A point has no ________or thickness






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






22. What is the volume of a cone






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






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






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






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






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






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






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






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






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






32. Is a polygon whose sides are equal in measure






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






34. What property of equality says that a=a






35. 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






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






37. Two angles whose sum totals 90 degrees






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






39. 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 __________or a __________ or __________(b=0 and a=c)






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






41. Every real number is a ______________






42. 1/a^n can also be written as a to the ______






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






44. The square of 0 is _____






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






46. Log base b to the b = ____________






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






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






49. The surface area of a cube is what formula






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