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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 formula for the area of a triangle






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






3. Angles that are equal






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






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






6. A line segment joining two poing on a circle is called a ________






7. A rhomus with a right angle






8. The __________property of additon says that fro every real number a - ther is a real number such that a + - a = - a+ a = 0






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






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






11. Every real number is a ______________






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






13. A set of points in the seame plane equidistant from a fixed point - called its center






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






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






16. 1/a^n can also be written as a to the ______






17. A parallelogram with right angles and equal diagonals






18. What is the area of a pyramid or cone (hint B= area of Base)






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






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






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






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






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






24. 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






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






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






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






28. Is a polygon that is both equilateral and equangular






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






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






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






32. A triangle whose angles all equal 60 degrees






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






34. What property of equality says that a=a






35. 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)






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






37. When calculating the number of sides in a polygon make 360 degrees/ n = ______________






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






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






40. In a logarithm the answer following the = sign is the __________






41. Is a polygon whose sides are equal in measure






42. The square of a real number cannot be ___________






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






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






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






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






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






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






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






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