Test your basic knowledge |

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






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






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






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






5. Is a polygon whose angles are equal in measurement






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






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






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






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






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






11. ___________is a quadrilateral whose opposite sides are parallel






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






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






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






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






16. A triangle with having at least 2 equal sides






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






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






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






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






21. In a function the x value is the ___________variable






22. Log base b to the b^x =






23. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides






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






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






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






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






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






29. Two angles whose sum totals 180 degrees






30. The associative property of multiplicaiton for every real number a - for every realy number b for every real number c (ab)c = ______






31. 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)






32. 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






33. A triangle whose angles all equal 60 degrees






34. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line






35. Log base b to the b = ____________






36. A parallelogram with right angles and equal diagonals






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






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






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






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






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






42. An angle whose measure is 180 degrees






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






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






45. A portion of a circle is called an ________ of the circle






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






47. The volume of a cube is






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






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






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