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






3. What is the formula for the area of a rhomus - (hint d= diagonal)






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






5. Is a polygon whose angles are equal in measurement






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






7. What is the volume of a cone






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






9. 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)






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






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






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






13. A parallelogram with right angles and equal diagonals






14. 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






15. Two angles whose sum totals 90 degrees






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






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






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






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






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






21. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______






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






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






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






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






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






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






28. A closed three sided figure is called a ____________






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






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






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






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






34. The square of a real number cannot be ___________






35. A portion of a circle is called an ________ of the circle






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






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






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






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






40. The square of 0 is _____






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






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






43. 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 __________ (b^2-4ac greater then 0)






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






45. 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






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






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






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






49. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






50. The _________property of addition says that for every real number a - for every real number b for every real number c (a+b) + c = a + (b+c)