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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. The side of a right triangle opposite the right angle






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






4. Once you find the roots of a radical equation you must check them to see if any are __________roots (which means they are not equal when plugged back into the original formula) these roots must be ___________






5. i^2 = _____________






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






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






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






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






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






11. _____________ of angles is an equivalance relation - it is reflexive - symmetric and transitive






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






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






14. Is a polygon that is both equilateral and equangular






15. Log base b to the b^x =






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






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






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






19. The square of 0 is _____






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






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






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






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






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






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






26. What is the volume of a cone






27. Wha tis the volume of a right circular cylinder with a radius of r and a height of h






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






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






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






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






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






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






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






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






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






37. Every real number is a ______________






38. A parallelogram that has tow adjacent sides that are equal and whose sides are perpendicular to each other






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






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






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






42. The least common multiple is the smallest quantity divisible by ______ number of the set






43. When you have a linear equation such as ax + by = c you may use ___________ or _____________ to solve the problem - (you may first have to multiply through one of the equation to make either the x or y value equal)






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






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






46. 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






47. What property of equality says that a=a






48. A triangle with no equal sides






49. Two angles whose sum totals 180 degrees






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