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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 (a+b)/ b =






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






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






4. Log base b to the b = ____________






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






6. The _______ tells how many times the root needs to be multiplied by itself






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






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






9. When calculating the probability of independent events you need to __________ (words like and &' followed by' )






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






11. A closed three sided figure is called a ____________






12. A series adjacent points that connect






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






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






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






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






17. Is a polygon that is both equilateral and equangular






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






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






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






21. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)






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






23. Two angles whose sum totals 180 degrees






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






25. When calculating the number of sides in a polygon make 360 degrees/ n = ______________






26. 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)






27. 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)






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






29. The inverse property of multiplication says that for every real number a - a cannot = 0 ther is a real number a^____such that a X a ^____ = a^____ X a =1






30. 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






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






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






33. What property of equality says that a=a






34. A parallelogram with right angles and equal diagonals






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






36. Two angles whose sum totals 90 degrees






37. In a function the x value is the ___________variable






38. A rhomus with a right angle






39. How do you calculate the area of a parallelogram - what is the formula






40. Two or more distinct lines are said to be ____________ if and only if they are coplanar and they do no intersect






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






42. An angle whose measure is 180 degrees






43. A triangle with having at least 2 equal sides






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






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






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






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






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






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






50. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________