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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 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






2. The square of a real number cannot be ___________






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






4. The graph of y= ax^2 + bx + c is a curve know as a ____________






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






6. 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)






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






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






9. A rhomus with a right angle






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






11. Is a polygon whose sides are equal in measure






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






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






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






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






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






17. 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 ___________






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






19. The surface area of a cube is what formula






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






21. 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)






22. 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






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






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






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






26. A triangle whose angles all equal 60 degrees






27. Log base b to the b = ____________






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






29. 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






30. A closed three sided figure is called a ____________






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






32. A __________________ is a circle passing through all the vertices of a polygon






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






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






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






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






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






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






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






40. A parallelogram with right angles and equal diagonals






41. 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






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






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






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






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






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






47. 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)






48. A triangle with having at least 2 equal sides






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






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