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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. 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 ___________






2. Operation in steps = if an event a ways and followed by b ways followed by c ways the total number of ways it can be done is






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






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






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






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






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






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






9. Is a polygon whose sides are equal in measure






10. 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)






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






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






13. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)






14. Two angles whose sum totals 180 degrees






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






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






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






18. An angle whose measure is 180 degrees






19. Angles that are equal






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






21. Wha tis the volume of a right circular cylinder with a radius of r and a height of h






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






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






24. 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






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






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






27. In a function the x value is the ___________variable






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






29. 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






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






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






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






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






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






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






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






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






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






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






40. Is a polygon whose angles are equal in measurement






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






42. What property of equality says that a=a






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






44. When calculating the probability of independent events you need to __________ (words like and &' followed by' )






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






46. An angle whose measure is 90 degrees






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






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






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






50. The square of a real number cannot be ___________