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






2. Two angles whose sum totals 180 degrees






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






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






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






6. Angles that are equal






7. The volume of a cube is






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






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






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






11. In a function the x value is the ___________variable






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






13. What is the volume of a cone






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






15. Log base b to the b^x =






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






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






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






19. 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 ___________






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






21. A triangle with a 90 degrees angle






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






23. A point has no ________or thickness






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






25. A ray _________ divides the angle into 2 angles that have equal measure






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






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






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






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






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






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






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






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






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






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






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






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






38. Is a polygon whose sides are equal in measure






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






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






41. 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






42. 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






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






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






45. A triangle with no equal sides






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






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






48. The y value of the vertex of parabola is the equation






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






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