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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. In a function the x value is the ___________variable






3. A triangle whose sides are equal






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






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






6. Log base b to the b = ____________






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






8. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






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






10. To find the x intersept we need to make __________= 0






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






12. When solving a system of equation with 2 quadratic function - first __________ one equation from the other equation to find isolate one variable - solve for that variable - then ______ and solve for the other variable






13. A closed three sided figure is called a ____________






14. What is the formula for a square if you only know the length of the diaganol






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






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






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






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






19. A rhomus with a right angle






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






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






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






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






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






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






26. An angle whose measure is 180 degrees






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






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






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






31. Two angles whose sum totals 90 degrees






32. A series adjacent points that connect






33. A triangle with a 90 degrees angle






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






35. 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






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






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






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






39. A triangle with no equal sides






40. The value of y where a point intersects the x axis = __________






41. 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)






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






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






44. Every real number is a ______________






45. 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 ___________






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






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






48. A triangle whose angles all equal 60 degrees






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






50. 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