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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 square of ((x1-x2) + (y1- y2)) =






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






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






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






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






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






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






8. A triangle with having at least 2 equal sides






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






10. 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






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






12. Log base b to the b = ____________






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






14. Is a polygon whose sides are equal in measure






15. A triangle whose angles all equal 60 degrees






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






17. A rhomus with a right angle






18. 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






19. The value of x where a point intersects the Y axis= ___________






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






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






22. The surface area of a cube is what formula






23. Every real number is a ______________






24. A triangle with no equal sides






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






26. A triangle with a 90 degrees angle






27. 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






28. 1/a^n can also be written as a to the ______






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






30. 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 ___________






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






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






33. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')






34. 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)






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






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






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






38. The square of both a positive number and a negative real number is _____________






39. Two angles whose sum totals 90 degrees






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






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






42. 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






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






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






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






46. A triangle with one obtuse angle (angle greater than 90 degrees) is






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






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






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






50. ___________is a quadrilateral whose opposite sides are parallel