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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. The square of a real number cannot be ___________






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






3. When calculating the number of sides in a polygon make 360 degrees/ n = ______________






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






5. In a function the x value is the ___________variable






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






7. 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






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






9. That points of intersection on a triangle are called its _____________






10. An angle whose measure is 90 degrees






11. Two angles whose sum totals 90 degrees






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






13. A triangle with a 90 degrees angle






14. An angle whose measure is larger than 90 degrees but less than 180 degrees






15. A triangle whose sides are equal






16. Every real number is a ______________






17. An angle whose measure is larger than 0 degrees but smaller than 90 degrees






18. In a logarithm the answer following the = sign is the __________






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






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






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






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






23. A rhomus with a right angle






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






25. 1/a^n can also be written as a to the ______






26. An angle whose measure is 180 degrees






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






28. The volume of a cube is






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






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






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






32. Log base b to the b = ____________






33. A closed three sided figure is called a ____________






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






35. The surface area of a cube is what formula






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






37. 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)






38. 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






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






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






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






42. What property of equality says that a=a






43. A triangle whose angles all equal 60 degrees






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






45. The union of two rays having the same end point






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






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






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






49. 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






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