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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. 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






2. 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






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






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






5. 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






6. A series adjacent points that connect






7. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number






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






9. i^2 = _____________






10. In a function the x value is the ___________variable






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






12. Is a polygon whose angles are equal in measurement






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






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






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






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






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






18. 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)






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






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






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






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






23. The volume of a cube is






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






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






26. Log base b to the b = ____________






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






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






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






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






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






32. A triangle with no equal sides






33. What are the 2 formulas to calculate the circumference of a circle






34. What is the formula for a combination (where order matters)






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






36. 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






37. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






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






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






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






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






42. Is a polygon that is both equilateral and equangular






43. A point has no ________or thickness






44. A ray _________ divides the angle into 2 angles that have equal measure






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






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






47. 1/a^n can also be written as a to the ______






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






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






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







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Can you answer 50 questions in 15 minutes?


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