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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. A rhomus with a right angle






3. The ____________ says y - y1= m(x-x1)






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






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






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






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






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






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






11. A closed three sided figure is called a ____________






12. The square of both a positive number and a negative real number is _____________






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






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






15. Two angles whose sum totals 90 degrees






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






17. i^2 = _____________






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






19. 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






20. The surface area of a cube is what formula






21. 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






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






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






24. Two angles whose sum totals 180 degrees






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






26. 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






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






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






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






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. Log base b to the b = ____________






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






33. Every real number is a ______________






34. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac






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






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






37. The volume of a cube is






38. 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)






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






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






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






42. What is the surface area of a right circular cylinder with a radius of r and a height of h






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






44. A line that joins the midpoint of two sides of a triangle is called the__________






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






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






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






48. A line that divides a line segment into two congruent segments






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






50. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________