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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 formula for the area of a rhomus - (hint d= diagonal)






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






3. 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)






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






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






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






7. When you have a linear equation such as ax + by = c you may use ___________ or _____________ to solve the problem - (you may first have to multiply through one of the equation to make either the x or y value equal)






8. In a function the x value is the ___________variable






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






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






11. A point has no ________or thickness






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






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






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






15. Is a polygon whose sides are equal in measure






16. 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)






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






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






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






20. A line segment connecting a vertex of a triangle and the midpoint of the opposite side is called a __________ of a triangle






21. y2- y1 divided by x2- x1 = the ____________






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






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. Log base b to the b^x =






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






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






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






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






29. 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






30. Two angles whose sum totals 90 degrees






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






32. What type of trapezoid has its non parallel sides equal






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






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






35. The square of a real number cannot be ___________






36. What is the formula for the area of a triangle






37. 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






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






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






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






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






42. A closed three sided figure is called a ____________






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






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






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






46. 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






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






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






49. ___________is a quadrilateral whose opposite sides are parallel






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