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






2. A triangle whose angles all equal 60 degrees






3. The segment from the center of the polygon perpendicular to as side of the polygon






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






5. The square of 0 is _____






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






7. 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






8. 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






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






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






11. 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 __________or a __________ or __________(b=0 and a=c)






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






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






14. Two or more distinct lines are said to be ____________ if and only if they are coplanar and they do no intersect






15. Two angles whose sum totals 180 degrees






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






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






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






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






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






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






22. Is a polygon whose sides are equal in measure






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






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






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






26. Two angles whose sum totals 90 degrees






27. Log base b to the b^x =






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






29. ___________is a quadrilateral whose opposite sides are parallel






30. A __________________ is a circle passing through all the vertices of a polygon






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






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






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






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






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






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






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






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






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






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






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






42. The volume of a cube is






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






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






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






46. A triangle with having at least 2 equal sides






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






48. How do you calculate the area of a parallelogram - what is the formula






49. A series adjacent points that connect






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