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






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






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






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






5. Is a polygon whose sides are equal in measure






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






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






8. What is the square of ((x1-x2) + (y1- y2)) =






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






10. Log base b to the b^x =






11. 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






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






13. 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)






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






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






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






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






18. A triangle whose angles all equal 60 degrees






19. When calculating the number of sides in a polygon make 360 degrees/ n = ______________






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






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






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






23. The volume of a cube is






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






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






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






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






28. A triangle with having at least 2 equal sides






29. In a function the x value is the ___________variable






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






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






32. Two angles whose sum totals 90 degrees






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






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






35. What is the formula for the area of a triangle






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






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






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






39. 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






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






41. 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 ___________






42. The square of 0 is _____






43. To solve a system of equations you must first make the two equations ___________to each other - then use the discrimant to find if the system has any real roots






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






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






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






47. What is the formula the formula for an arc if you know the radius and the n= central angle






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






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






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