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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 (a+b)/ b =






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






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






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






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






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






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






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






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






10. 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 ___________






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






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






13. A point has no ________or thickness






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






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






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






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






18. A parallelogram with right angles and equal diagonals






19. 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)






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






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






22. The __________ of a regular polygon is the segment joining an vertex with the center of the polygon






23. ___________is a quadrilateral whose opposite sides are parallel






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. How do you calculate the area of a parallelogram - what is the formula






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






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






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






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






30. Log base b to the b^x =






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






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






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






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






35. A _________ number is a number that can be written in the form of a + bi






36. A series adjacent points that connect






37. A triangle whose angles all equal 60 degrees






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






39. A triangle with having at least 2 equal sides






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






41. The measure of a minor arc is the measure of the __________that intercepts the arc






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






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






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






45. Every real number is a ______________






46. Is a polygon whose angles are equal in measurement






47. An angle whose measure is 180 degrees






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






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






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