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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. ___________is a quadrilateral whose opposite sides are parallel






2. What are the 2 formulas to calculate the circumference of a circle






3. A triangle with a 90 degrees angle






4. Wha tis the volume of a right circular cylinder with a radius of r and a height of h






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






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






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






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






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






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






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






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






13. 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






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






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






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






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






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






19. The square of 0 is _____






20. Is a polygon whose angles are equal in measurement






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






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






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






24. 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






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






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






27. Log base b to the b^x =






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






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






30. Is a polygon that is both equilateral and equangular






31. 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 ___________






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






33. 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)






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






35. A triangle whose sides are equal






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






37. Two angles whose sum totals 90 degrees






38. What is the formula for the area of a circle






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






40. 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






41. 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






42. When you find the inverse of a function switch the x value with a ____ - solve for y






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






44. The volume of a cube is






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






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






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






48. 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)






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






50. The __________property of additon says that fro every real number a - ther is a real number such that a + - a = - a+ a = 0