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






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






3. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon






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






5. Is a polygon that is both equilateral and equangular






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






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






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






9. _____________ of angles is an equivalance relation - it is reflexive - symmetric and transitive






10. A set of points in the seame plane equidistant from a fixed point - called its center






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






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






13. A triangle whose angles all equal 60 degrees






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






15. A triangle with no equal sides






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






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






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






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






20. The square of a real number cannot be ___________






21. Log base b to the b^x =






22. What is the formula to calculate the area of a rectangle






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






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






25. A series adjacent points that connect






26. Two angles whose sum totals 180 degrees






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






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






29. Log base b to the b = ____________






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






31. 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)






32. The associative property of multiplicaiton for every real number a - for every realy number b for every real number c (ab)c = ______






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






34. In a quadratic equation with 2 unknown which has the formula ax^2 + bxy + cy^2 + dx + ey + f the graph is _____________ or a pair of __________ if ( b^2-4ac= 0) which may be coincident or it does not exist






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






36. Angles that are equal






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






38. An angle whose measure is larger than 90 degrees but less than 180 degrees






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






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






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






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






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






44. 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






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






46. Every real number is a ______________






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






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






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






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