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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 surface area of a cube is what formula






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






3. A parallelogram with right angles and equal diagonals






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






5. An angle whose measure is 90 degrees






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






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






8. Two angles whose sum totals 180 degrees






9. 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)






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






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






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






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






14. A triangle whose angles all equal 60 degrees






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






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






17. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______






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






19. Is a polygon whose sides are equal in measure






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






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






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






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






24. 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






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






26. 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






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






28. To calculate the diagnol of a square you multipy any ______by the _______________of 2






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






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






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






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






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






34. Is a polygon whose angles are equal in measurement






35. What property of equality says that a=a






36. The _______ tells how many times the root needs to be multiplied by itself






37. 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






38. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides






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






40. A closed three sided figure is called a ____________






41. A rhomus with a right angle






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






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






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






45. 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 __________or a __________ or __________(b=0 and a=c)






46. 1/a^n can also be written as a to the ______






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






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






49. A triangle with having at least 2 equal sides






50. Two angles whose sum totals 90 degrees