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






2. An angle whose measure is 180 degrees






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






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






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






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






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






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






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






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






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






12. 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






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






14. 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






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






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






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






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






19. Angles that are equal






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






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






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






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






24. The surface area of a cube is what formula






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






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






27. 1/a^n can also be written as a to the ______






28. If a triangle has two congruent sides then it is an _________triangle






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






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






31. To find the x intersept we need to make __________= 0






32. A closed three sided figure is called a ____________






33. What is the volume of a cone






34. A point has no ________or thickness






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






36. The square of both a positive number and a negative real number is _____________






37. The side of a right triangle opposite the right angle






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






39. 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






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






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






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






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






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






45. The volume of a cube is






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






47. A series adjacent points that connect






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






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






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