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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. The least common multiple is the smallest quantity divisible by ______ number of the set






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






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






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






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






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






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






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






9. What is the volume of a cone






10. 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






11. A triangle whose sides are equal






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






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






14. 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)






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






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






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






18. What is the linear equation where a - b and c are constants b cannot = 0






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






20. The square of both a positive number and a negative real number is _____________






21. 1/a^n can also be written as a to the ______






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






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






24. Is a polygon that is both equilateral and equangular






25. Two angles whose sum totals 180 degrees






26. A parallelogram with right angles and equal diagonals






27. An angle whose measure is 180 degrees






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






29. Every real number is a ______________






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






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. Is a polygon whose angles are equal in measurement






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






34. 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






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






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






37. ___________is a quadrilateral whose opposite sides are parallel






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






39. The volume of a cube is






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






41. In a function the x value is the ___________variable






42. A triangle whose angles all equal 60 degrees






43. Is a polygon whose sides are equal in measure






44. 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






45. 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






46. An angle whose measure is 90 degrees






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






48. The greatest common factor is the largest __________that is common to all member of the set






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






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