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






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






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






4. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






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






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






7. Once you find the roots of a radical equation you must check them to see if any are __________roots (which means they are not equal when plugged back into the original formula) these roots must be ___________






8. 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






9. A series adjacent points that connect






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






11. A line segment connecting a vertex of a triangle and the midpoint of the opposite side is called a __________ of a triangle






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






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






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






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






16. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______






17. A point has no ________or thickness






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






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






20. What property of equality ways for each real number a - for each real number b - for each real number c - if a=b and b=c - then a=c






21. A closed three sided figure is called a ____________






22. Log base b to the b = ____________






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






24. Two angles whose sum totals 90 degrees






25. 1/a^n can also be written as a to the ______






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






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






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






29. A triangle with no equal sides






30. Is a polygon that is both equilateral and equangular






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






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






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






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






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






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






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






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






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






40. 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)






41. Is a polygon whose sides are equal in measure






42. A triangle whose sides are equal






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






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






45. y2- y1 divided by x2- x1 = the ____________






46. The volume of a cube is






47. 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)






48. A triangle with a 90 degrees angle






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






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