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






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






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






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






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






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






7. In complex numbers the square root of -1 = ______






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






9. A triangle with no equal sides






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






11. 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)






12. 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)






13. What is the volume of a cone






14. A triangle whose sides are equal






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






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






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






18. Two angles with a common vertex and with sides that are 2 pairs of opposite rays






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






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






21. ___________is a quadrilateral whose opposite sides are parallel






22. An angle whose measure is larger than 0 degrees but smaller than 90 degrees






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






24. 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)






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






26. The union of two rays having the same end point






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






28. Positions = number of position can be calculated by finding the ______ of the total number of items






29. Wha tis the volume of a right circular cylinder with a radius of r and a height of h






30. The ____________ says y - y1= m(x-x1)






31. 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






32. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon






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






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






35. 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






36. 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






37. What property of equality says that a=a






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






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






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






41. Log base b to the b = ____________






42. A triangle with a 90 degrees angle






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






44. A closed three sided figure is called a ____________






45. Angles that are equal






46. An angle whose measure is 90 degrees






47. What is the linear equation where a - b and c are constants b cannot = 0






48. For each real number a - for each real number b - if a= b - then b=a






49. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______






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