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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 _________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)






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






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






4. The x value of the vertex of a parabola is the equation






5. 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)






6. An angle whose measure is 180 degrees






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






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






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






10. A parallelogram with right angles and equal diagonals






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






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 __________ (if a - b and c are not zero)






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






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






15. y2- y1 divided by x2- x1 = the ____________






16. A triangle with a 90 degrees angle






17. 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






18. Positions = number of position can be calculated by finding the ______ of the total number of items






19. What is the formula for the area of a square






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






21. In a function the x value is the ___________variable






22. ___________is a quadrilateral whose opposite sides are parallel






23. The square of 0 is _____






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






25. What is the square of ((x1-x2) + (y1- y2)) =






26. Every real number is a ______________






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






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






29. The __________property of additon says that fro every real number a - ther is a real number such that a + - a = - a+ a = 0






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






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






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






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






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






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






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






37. If all points lie in the same plane they are __________






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






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






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






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






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






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






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






45. i^2 = _____________






46. A series adjacent points that connect






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






48. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)






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






50. A parallelogram that has tow adjacent sides that are equal and whose sides are perpendicular to each other