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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 the formula for an arc if you know the radius and the n= central angle






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






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






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






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






6. 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






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






8. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba






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






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






11. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')






12. 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






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






14. A triangle with no equal sides






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






16. Is a polygon that is both equilateral and equangular






17. A triangle whose sides are equal






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






19. Log base b to the b^x =






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






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






22. 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






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






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






25. A line segment connecting a vertex of a triangle and the midpoint of the opposite side is called a __________ of a triangle






26. What is the volume of a cone






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






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






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






30. Angles that are equal






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






32. What is the square of ((x1-x2) + (y1- y2)) =






33. A triangle with a 90 degrees angle






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






35. A rhomus with a right angle






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






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






38. i^2 = _____________






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






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






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






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






43. Every real number is a ______________






44. An angle whose measure is 180 degrees






45. 1/a^n can also be written as a to the ______






46. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac






47. A closed three sided figure is called a ____________






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






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






50. Three or more points are said to be ___________if an only if they lie on the same line