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






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






3. When you see f of g replace the x in f(x) with the ___________






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






5. The absolue value of the difference of the coordinates of any two points on the real number line






6. A triangle whose angles all equal 60 degrees






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






8. The _________property of addition says that for every real number a - for every real number b for every real number c (a+b) + c = a + (b+c)






9. In a quadratic equation with 2 unknown which has the formula ax^2 + bxy + cy^2 + dx + ey + f the graph is _____________ or a pair of __________ if ( b^2-4ac= 0) which may be coincident or it does not exist






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






11. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)






12. 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 ___________






13. The square of a real number cannot be ___________






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






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






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






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






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






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






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






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






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






23. Two angles whose sum totals 180 degrees






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






25. The surface area of a cube is what formula






26. The inverse property of multiplication says that for every real number a - a cannot = 0 ther is a real number a^____such that a X a ^____ = a^____ X a =1






27. A closed three sided figure is called a ____________






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






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






30. What property of equality says that a=a






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






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






33. 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






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






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






36. The square of 0 is _____






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






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. Is a polygon whose angles are equal in measurement






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






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






42. 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






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






44. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line






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






46. 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 __________ (if a - b and c are not zero)






47. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______






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






49. Log base b to the b^x =






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