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






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






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






4. 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)






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






6. Three or more points are said to be ___________if an only if they lie on the same line






7. Is a polygon whose sides are equal in measure






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






9. What is a quadrilateral with 2 and only 2 sides parallel






10. A triangle with no equal sides






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






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






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






14. A rhomus with a right angle






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






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






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






18. What is the volume of a cone






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






20. A closed three sided figure is called a ____________






21. A series adjacent points that connect






22. What property of equality says that a=a






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






24. The set of all points on a half line and the dividing point itself






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






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






27. The square of a real number cannot be ___________






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






29. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______






30. 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)






31. 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






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






33. 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






34. A triangle with a 90 degrees angle






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






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






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






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






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






40. An angle whose measure is 180 degrees






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






42. 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






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






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






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






46. 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






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






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






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






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