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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. When you see f of g replace the x in f(x) with the ___________






2. ___________is a quadrilateral whose opposite sides are parallel






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






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






5. x= - b (+ or -) square root of (b^2-4ac) divided by 2a - is called the _____________ and can be used to find the roots of a problem






6. A parallelogram with right angles and equal diagonals






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






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






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






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






11. Two angles whose sum totals 90 degrees






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






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






14. What is a quadrilateral with 2 and only 2 sides parallel






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






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






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






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






19. A triangle with no equal sides






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






21. 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 ___________






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






23. 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






24. A closed three sided figure is called a ____________






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






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






27. An angle whose measure is 180 degrees






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






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






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






31. An angle whose measure is larger than 0 degrees but smaller than 90 degrees






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






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






34. 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 __________or a __________ or __________(b=0 and a=c)






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






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






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






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






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






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






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






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






43. i^2 = _____________






44. 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






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






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






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






48. 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






49. The volume of a cube is






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