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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 segment from the center of the polygon perpendicular to as side of the polygon






2. A __________is any process that assigns a ___________value of y to each number of x






3. 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






4. What is the formula for the area of a circle






5. What is the linear equation where a - b and c are constants b cannot = 0






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






7. Two lines are said to be ______________ if they intersect and form right angles






8. Two angles whose sum totals 90 degrees






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






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






11. The _______ tells how many times the root needs to be multiplied by itself






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






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






14. In a function the x value is the ___________variable






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






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






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






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






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






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






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






22. 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






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






24. 1/a^n can also be written as a to the ______






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






26. Two angles whose sum totals 180 degrees






27. What is a quadrilateral with 2 and only 2 sides parallel






28. What property of equality says that a=a






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






30. A triangle with a 90 degrees angle






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






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






33. 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)






34. x= - b (+ or -) square root of (b^2-4ac) divided by 2a - is called the _____________ and can be used to find the roots of a problem






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






36. Every real number is a ______________






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






38. 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






39. Is a polygon that is both equilateral and equangular






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






41. What is the closure property of multiplication for every real number a - for every real number b _________ is a real number






42. Log base b to the b^x =






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






44. A rhomus with a right angle






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






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






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






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






49. An angle whose measure is 180 degrees






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