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






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






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






4. An angle whose measure is greater than 180 degrees and less than 360 degrees






5. A triangle with having at least 2 equal sides






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






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






8. 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 ___________






9. The volume of a cube is






10. Angles that are equal






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






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






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






14. Two angles whose sum totals 180 degrees






15. A _________ number is a number that can be written in the form of a + bi






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






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






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






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






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






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






22. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle






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






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






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






26. 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






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






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






29. A rhomus with a right angle






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






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






32. i^2 = _____________






33. A parallelogram with right angles and equal diagonals






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






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






36. Is a polygon that is both equilateral and equangular






37. 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)






38. An angle whose measure is 180 degrees






39. 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






40. Log base b to the b^x =






41. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba






42. In a function the x value is the ___________variable






43. Two distinct straight lines can intersect at most at only one point






44. Two angles with a common vertex and a common side but no common interior points






45. A triangle with three acute angles (less than 90 degrees)






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






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






48. 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)






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






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