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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. 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






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






3. 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






4. Is a polygon whose angles are equal in measurement






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






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






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






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






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






10. The volume of a cube is






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






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






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






14. What is the volume of a cone






15. The value of y where a point intersects the x axis = __________






16. y2- y1 divided by x2- x1 = the ____________






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






18. 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 ___________






19. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






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






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






22. The surface area of a cube is what formula






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






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






25. 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)






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






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






28. 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






29. 1/a^n can also be written as a to the ______






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






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






32. 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






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






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






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






36. ___________is a quadrilateral whose opposite sides are parallel






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






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






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






40. The square of 0 is _____






41. Is a polygon that is both equilateral and equangular






42. An angle whose measure is 180 degrees






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






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






45. A line that intersects a circle in tow point is called the _______






46. A parallelogram with right angles and equal diagonals






47. Angles that are equal






48. A closed three sided figure is called a ____________






49. Every real number is a ______________






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