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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 square of a real number cannot be ___________






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






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






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






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






6. In a logarithm the answer following the = sign is the __________






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






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






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






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






11. What is the volume of a cone






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






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






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






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






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






17. 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)






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






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






20. A collection of points lying on a flat surface that extend indefinitely in any direction






21. Angles that are equal






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






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






24. What is the area of a pyramid or cone (hint B= area of Base)






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






26. 1/a^n can also be written as a to the ______






27. The square of 0 is _____






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






29. Is a polygon whose angles are equal in measurement






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






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






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






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






34. i^2 = _____________






35. In a function the x value is the ___________variable






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






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






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






39. 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






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






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






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






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






44. An angle whose measure is 180 degrees






45. ___________is a quadrilateral whose opposite sides are parallel






46. A series adjacent points that connect






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






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






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






50. The volume of a cube is