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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. A line segment connecting a vertex of a triangle and the midpoint of the opposite side is called a __________ of a triangle






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






3. What is the formula for the area of a circle






4. 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)






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






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






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






8. 1/a^n can also be written as a to the ______






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






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






11. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number






12. An angle whose measure is greater than 180 degrees and less than 360 degrees






13. What is the volume of a cone






14. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________






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






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






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






18. Is a polygon whose angles are equal in measurement






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






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






21. Log base b to the b = ____________






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






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






24. A point has no ________or thickness






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






26. A triangle with having at least 2 equal sides






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






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






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






30. A closed three sided figure is called a ____________






31. What is the formula for the area of a rhomus - (hint d= diagonal)






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






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






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






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






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






37. 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






38. 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






39. An angle whose measure is 90 degrees






40. Is a polygon whose sides are equal in measure






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






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






43. A rhomus with a right angle






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






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






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






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






48. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line






49. An angle whose measure is 180 degrees






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