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






2. i^2 = _____________






3. In a quadratic equation with 2 unknown which has the formula ax^2 + bxy + cy^2 + dx + ey + f the graph is _____________ or a pair of __________ if ( b^2-4ac= 0) which may be coincident or it does not exist






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






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






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






7. If you want to convert a fraction to a percentage you need to make it =






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






9. What property of equality says that a=a






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






11. What is the square of ((x1-x2) + (y1- y2)) =






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






13. In a function the x value is the ___________variable






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






15. 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)






16. 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






17. ___________is a quadrilateral whose opposite sides are parallel






18. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______






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






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






21. A triangle whose angles all equal 60 degrees






22. The volume of a cube is






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






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






25. A triangle with no equal sides






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






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






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






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






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






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






32. 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






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






34. The sum of the interior angles of a triangle = ___________






35. The value of x where a point intersects the Y axis= ___________






36. A triangle whose sides are equal






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






38. A parallelogram with right angles and equal diagonals






39. A rhomus with a right angle






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






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






42. Three or more points are said to be ___________if an only if they lie on the same line






43. Log base b to the b^x =






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






45. A series adjacent points that connect






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






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






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






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






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