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






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






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






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






5. What property of equality says that a=a






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






7. Log base b to the b^x =






8. The square of both a positive number and a negative real number is _____________






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






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






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






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






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






14. An angle whose measure is 90 degrees






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






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






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






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






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






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






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






22. 1/a^n can also be written as a to the ______






23. Angles that are equal






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






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






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






27. 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






28. Is a polygon that is both equilateral and equangular






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






30. A triangle with no equal sides






31. That points of intersection on a triangle are called its _____________






32. Every real number is a ______________






33. 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






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






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






36. 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






37. A closed three sided figure is called a ____________






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






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






40. 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)






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






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






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






44. An angle whose measure is 180 degrees






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






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






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






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






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






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