Test your basic knowledge |

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






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






3. A triangle whose angles all equal 60 degrees






4. i^2 = _____________






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






6. A triangle with no equal sides






7. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






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






9. The associative property of multiplicaiton for every real number a - for every realy number b for every real number c (ab)c = ______






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






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






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






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






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






15. An angle whose measure is 180 degrees






16. Two angles with a common vertex and with sides that are 2 pairs of opposite rays






17. What property of equality says that a=a






18. If you want to convert a fraction to a percentage you need to make it =






19. Is a polygon that is both equilateral and equangular






20. 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






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






22. Is a polygon whose angles are equal in measurement






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






24. A parallelogram that has tow adjacent sides that are equal and whose sides are perpendicular to each other






25. A series adjacent points that connect






26. 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)






27. Log base b to the b = ____________






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






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






30. 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






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






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






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






34. A _________ number is a number that can be written in the form of a + bi






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






36. Two angles whose sum totals 180 degrees






37. Is a polygon whose sides are equal in measure






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






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






40. 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






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






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






43. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)






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






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






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






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






48. Two distinct straight lines can intersect at most at only one point






49. 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






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