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






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






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






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






5. 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






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






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






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






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






10. What is the formula to calculate the area of a rectangle






11. 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






12. ___________is a quadrilateral whose opposite sides are parallel






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






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






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






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






17. A point has no ________or thickness






18. 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






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






20. The x value of the vertex of a parabola is the equation






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






22. An angle whose measure is 180 degrees






23. To calculate the diagnol of a square you multipy any ______by the _______________of 2






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






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






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






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






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






29. A triangle with no equal sides






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






31. A closed three sided figure is called a ____________






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






33. Every real number is a ______________






34. Two angles whose sum totals 180 degrees






35. 1/a^n can also be written as a to the ______






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






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






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






39. 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 ___________






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






41. A parallelogram with right angles and equal diagonals






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






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






44. If a triangle has two congruent sides then it is an _________triangle






45. The greatest common factor is the largest __________that is common to all member of the set






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






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






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






49. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number






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