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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. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)






2. A line segment joining two poing on a circle is called a ________






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






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






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






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






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






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






9. The volume of a cube is






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






11. Is a polygon whose angles are equal in measurement






12. Log base b to the b^x =






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






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






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






16. 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)






17. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba






18. A parallelogram with right angles and equal diagonals






19. Log base b to the b = ____________






20. Two distinct straight lines can intersect at most at only one point






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






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






23. A triangle with no equal sides






24. 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






25. A series adjacent points that connect






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






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






28. Is a polygon whose sides are equal in measure






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






30. The inverse property of multiplication says that for every real number a - a cannot = 0 ther is a real number a^____such that a X a ^____ = a^____ X a =1






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






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






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






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






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






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






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






38. An angle whose measure is 90 degrees






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






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






41. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides






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






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






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






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






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






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






48. The square of 0 is _____






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






50. The surface area of a cube is what formula