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






2. What is the volume of a cone






3. Is a polygon whose angles are equal in measurement






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






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






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






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






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






9. 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)






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






11. A rhomus with a right angle






12. 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)






13. In order to decimal to a percentage you need to ______ by 100






14. 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






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






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






17. The __________of a triangle is a line segment from a vertex of the triangle perpendicular to the opposite side






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






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






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






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






22. 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






23. i^2 = _____________






24. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






25. What property of equality says that a=a






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






27. A closed three sided figure is called a ____________






28. A triangle whose sides are equal






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






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






31. 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)






32. Log base b to the b^x =






33. Two angles whose sum totals 180 degrees






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






35. 1/a^n can also be written as a to the ______






36. A triangle with having at least 2 equal sides






37. If a triangle has two congruent sides then it is an _________triangle






38. A triangle with a 90 degrees angle






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






40. A triangle whose angles all equal 60 degrees






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






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






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






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






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






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






47. A set of points in the seame plane equidistant from a fixed point - called its center






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






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






50. The square of a real number cannot be ___________