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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. An angle whose measure is 180 degrees






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






3. A ___________is a figure with the same number of sides as angles






4. ___________is a quadrilateral whose opposite sides are parallel






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






6. 1/a^n can also be written as a to the ______






7. Is a polygon whose angles are equal in measurement






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






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






10. Log base b to the b = ____________






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






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






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






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






15. A triangle whose angles all equal 60 degrees






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






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






18. 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






19. An angle whose measure is larger than 90 degrees but less than 180 degrees






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






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






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






23. A series adjacent points that connect






24. Angles that are equal






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






26. Is a polygon whose sides are equal in measure






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






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






29. 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 __________ (if a - b and c are not zero)






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






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






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






33. What is the area of a pyramid or cone (hint B= area of Base)






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






35. 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






36. The square of a real number cannot be ___________






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






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






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






40. A set of points in the seame plane equidistant from a fixed point - called its center






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






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






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






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






45. 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






46. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)






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






48. Every real number is a ______________






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






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