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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. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________






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






3. Two angles whose sum totals 180 degrees






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






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






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






7. The volume of a cube is






8. The graph of y= ax^2 + bx + c is a curve know as a ____________






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






10. 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)






11. Two angles whose sum totals 90 degrees






12. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides






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






14. 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






15. A closed three sided figure is called a ____________






16. Two distinct straight lines can intersect at most at only one point






17. 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






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






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






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






21. What property of equality says that a=a






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






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






24. 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






25. 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)






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






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






28. The surface area of a cube is what formula






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






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






31. 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






32. 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)






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






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






35. A triangle with no equal sides






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






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






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






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






40. Is a polygon whose angles are equal in measurement






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






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






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






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






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






46. An angle whose measure is 180 degrees






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






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






49. Log base b to the b^x =






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