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






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






3. Every real number is a ______________






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






5. A closed three sided figure is called a ____________






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






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






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






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






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






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






12. A line segment joining two poing on a circle is called a ________






13. If a triangle has two congruent sides then it is an _________triangle






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






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






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






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






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






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






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






21. A __________is any process that assigns a ___________value of y to each number of x






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






23. 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






24. A point has no ________or thickness






25. Two lines are said to be ______________ if they intersect and form right angles






26. 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)






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






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






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






30. 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






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






32. A parallelogram with right angles and equal diagonals






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






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






35. 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)






36. The square of a real number cannot be ___________






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






38. Two angles with a common vertex and a common side but no common interior points






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






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






41. The surface area of a cube is what formula






42. In a function the x value is the ___________variable






43. What property of equality says that a=a






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






45. A ray _________ divides the angle into 2 angles that have equal measure






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






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






48. Is a polygon whose sides are equal in measure






49. 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 ___________






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