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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 closure property of multiplication for every real number a - for every real number b _________ is a real number






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






3. The _________property of addition says that for every real number a - for every real number b for every real number c (a+b) + c = a + (b+c)






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






5. Is a polygon whose angles are equal in measurement






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






7. In order to decimal to a percentage you need to ______ by 100






8. ___________is a quadrilateral whose opposite sides are parallel






9. The surface area of a cube is what formula






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






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






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






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






14. 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)






15. Every real number is a ______________






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






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






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






19. 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)






20. The associative property of multiplicaiton for every real number a - for every realy number b for every real number c (ab)c = ______






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






22. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






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






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






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






26. What property of equality says that a=a






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






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






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






30. For each real number a - for each real number b - if a= b - then b=a






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






32. A parallelogram with right angles and equal diagonals






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






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






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






36. A closed three sided figure is called a ____________






37. To find the x intersept we need to make __________= 0






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






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






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






41. A triangle whose angles all equal 60 degrees






42. A triangle with no equal sides






43. Log base b to the b^x =






44. Two angles whose sum totals 180 degrees






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






46. 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






47. A triangle whose sides are equal






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






49. The square of 0 is _____






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