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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 are the 2 formulas to calculate the circumference of a circle






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






3. A triangle whose sides are equal






4. A series adjacent points that connect






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






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






7. Log base b to the b = ____________






8. A point has no ________or thickness






9. The y value of the vertex of parabola is the equation






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






11. The square of 0 is _____






12. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________






13. The segment from the center of the polygon perpendicular to as side of the polygon






14. 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)






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






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






17. Two angles whose sum totals 180 degrees






18. A triangle with having at least 2 equal sides






19. 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)






20. Is a polygon whose angles are equal in measurement






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






22. A line that intersects a circle in tow point is called the _______






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






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






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






26. What is the volume of a cone






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






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






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






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






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






32. The surface area of a cube is what formula






33. 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)






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






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






36. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






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






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






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






40. A closed three sided figure is called a ____________






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






42. The absolue value of the difference of the coordinates of any two points on the real number line






43. The greatest common factor is the largest __________that is common to all member of the set






44. 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






45. 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






46. The sum of the interior angles of a triangle = ___________






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






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






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






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







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Can you answer 50 questions in 15 minutes?


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