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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 b/a =






2. The square of a real number cannot be ___________






3. What are the 2 formulas to calculate the circumference of a circle






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






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






6. Is a polygon whose sides are equal in measure






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






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






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






10. An angle whose measure is larger than 0 degrees but smaller than 90 degrees






11. A triangle with a 90 degrees angle






12. Two angles whose sum totals 90 degrees






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






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






15. A rhomus with a right angle






16. A triangle whose sides are equal






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






18. What is the surface area of a right circular cylinder with a radius of r and a height of h






19. 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 ___________






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






21. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






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






23. A ___________is a figure with the same number of sides as angles






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






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






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






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






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






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






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






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






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






33. A triangle whose angles all equal 60 degrees






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






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






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






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






38. 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)






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






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






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






42. A closed three sided figure is called a ____________






43. 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






44. Log base b to the b = ____________






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






46. i^2 = _____________






47. If a triangle has two congruent sides then it is an _________triangle






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






49. A triangle with no equal sides






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