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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 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)






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






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






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






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






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






7. Is a polygon that is both equilateral and equangular






8. What is the formula for the area of a circle






9. What is the formula for the area of a rhomus - (hint d= diagonal)






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






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






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






13. x= - b (+ or -) square root of (b^2-4ac) divided by 2a - is called the _____________ and can be used to find the roots of a problem






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






15. An angle whose measure is 180 degrees






16. The ____________ says y - y1= m(x-x1)






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






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






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






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






21. A __________________ is a circle passing through all the vertices of a polygon






22. 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






23. Three or more points are said to be ___________if an only if they lie on the same line






24. 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






25. A rhomus with a right angle






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






27. A triangle with having at least 2 equal sides






28. A triangle with a 90 degrees angle






29. Is a polygon whose angles are equal in measurement






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






31. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






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






33. An angle whose measure is larger than 90 degrees but less than 180 degrees






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






35. What property of equality says that a=a






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






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






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






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






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






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






42. A triangle with no equal sides






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






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






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






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






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






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






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






50. A closed three sided figure is called a ____________