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






2. Every real number is a ______________






3. When solving a system of equation involving quadratics and one is linear and the other is quadratic - solve the _______ first - then substitue the found value into the quadratic and solve for the other unknown






4. A triangle with having at least 2 equal sides






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






6. A triangle with no equal sides






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






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






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






10. A triangle whose sides are equal






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






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






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






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






15. To find the x intersept we need to make __________= 0






16. 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)






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






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






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






20. Angles that are equal






21. In complex numbers the square root of -1 = ______






22. The measure of a minor arc is the measure of the __________that intercepts the arc






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






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






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






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






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






28. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






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






30. A triangle whose angles all equal 60 degrees






31. A collection of points lying on a flat surface that extend indefinitely in any direction






32. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)






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






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






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






37. What is the volume of a cone






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






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






40. What is the closure property of multiplication for every real number a - for every real number b _________ is a real number






41. What is the formula the formula for an arc if you know the radius and the n= central angle






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






43. 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)






44. The square of a real number cannot be ___________






45. ___________is a quadrilateral whose opposite sides are parallel






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






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






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






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






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