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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 surface area of a sphere with a radius r






2. 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 __________ (b^2-4ac greater then 0)






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






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






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






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






7. 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






8. A triangle with a 90 degrees angle






9. What is the area of a pyramid or cone (hint B= area of Base)






10. A line that divides a line segment into two congruent segments






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






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






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






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






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






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






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






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






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






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






22. 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






23. The square of 0 is _____






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






25. An angle whose measure is 90 degrees






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






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






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






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






30. To find the x intersept we need to make __________= 0






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






32. A closed three sided figure is called a ____________






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






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






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






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






37. Log base b to the b^x =






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






39. A rhomus with a right angle






40. 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)






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






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






43. 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)






44. When solving a system of equation involving quadratics and one is linear and the other is quadratic - solve the _______ first - then substitue the found value into the quadratic and solve for the other unknown






45. Is a polygon that is both equilateral and equangular






46. In a function the x value is the ___________variable






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






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






49. An angle whose measure is 180 degrees






50. What is the volume of a cone