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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. i^2 = _____________






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






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






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






5. A closed three sided figure is called a ____________






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






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






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






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






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






11. Every real number is a ______________






12. What is the volume of a cone






13. 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)






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






15. 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






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






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






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






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






20. 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






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






22. A triangle with one obtuse angle (angle greater than 90 degrees) is






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






24. 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






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






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






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






28. Two angles with a common vertex and with sides that are 2 pairs of opposite rays






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






30. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______






31. Two distinct straight lines can intersect at most at only one point






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






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






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






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






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






37. In a function the x value is the ___________variable






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






39. The side of a right triangle opposite the right angle






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






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






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






43. Is a polygon that is both equilateral and equangular






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






45. A triangle with having at least 2 equal sides






46. 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 ___________






47. A parallelogram with right angles and equal diagonals






48. The least common multiple is the smallest quantity divisible by ______ number of the set






49. The _______ tells how many times the root needs to be multiplied by itself






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