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






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






3. When you find the inverse of a function switch the x value with a ____ - solve for y






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






5. What is the volume of a cone






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






7. What property of equality ways for each real number a - for each real number b - for each real number c - if a=b and b=c - then a=c






8. 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






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






10. Two angles whose sum totals 180 degrees






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






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






13. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






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






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






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






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






18. Every real number is a ______________






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






20. A triangle whose sides are equal






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






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






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






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






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






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






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






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






29. Log base b to the b^x =






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. 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)






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






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






35. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon






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






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






38. A series adjacent points that connect






39. i^2 = _____________






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






41. Two or more distinct lines are said to be ____________ if and only if they are coplanar and they do no intersect






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






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






44. Angles that are equal






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






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






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






48. The square of 0 is _____






49. 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






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