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






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






3. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)






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






5. 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






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






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






8. Log base b to the b = ____________






9. What is the formula for the area of a circle






10. The square of 0 is _____






11. A triangle whose angles all equal 60 degrees






12. The y value of the vertex of parabola is the equation






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






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






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






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






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






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






19. A closed three sided figure is called a ____________






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






21. The surface area of a cube is what formula






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






23. A triangle with no equal sides






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






25. 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)






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






27. 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)






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






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






30. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






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






32. Two angles with a common vertex and a common side but no common interior points






33. What is the formula for the area of a square






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






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






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






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






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






39. In a function the x value is the ___________variable






40. 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)






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






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






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






44. What property of equality says that a=a






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






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






47. Is a polygon whose angles are equal in measurement






48. 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






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






50. To calculate the diagnol of a square you multipy any ______by the _______________of 2