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






2. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)






3. Every real number is a ______________






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






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






6. The graph of y= ax^2 + bx + c is a curve know as a ____________






7. The segment from the center of the polygon perpendicular to as side of the polygon






8. What is the closure property of multiplication for every real number a - for every real number b _________ is a real number






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






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






11. A triangle whose angles all equal 60 degrees






12. Three or more points are said to be ___________if an only if they lie on the same line






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






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






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






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






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






18. A triangle with a 90 degrees angle






19. The greatest common factor is the largest __________that is common to all member of the set






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






21. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






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






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






24. Two angles whose sum totals 90 degrees






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






26. 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






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






28. 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






29. 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






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






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






32. Angles that are equal






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






34. 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






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






36. 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






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






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






39. A line that intersects a circle in tow point is called the _______






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






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






42. The sum of the interior angles of a triangle = ___________






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






44. The ____________ says y - y1= m(x-x1)






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






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






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






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. 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






50. Two angles whose sum totals 180 degrees