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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. Two or more distinct lines are said to be ____________ if and only if they are coplanar and they do no intersect






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






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






4. A line that divides a line segment into two congruent segments






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






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






7. The square of a real number cannot be ___________






8. A series adjacent points that connect






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






10. An angle whose measure is 180 degrees






11. Once you find the roots of a radical equation you must check them to see if any are __________roots (which means they are not equal when plugged back into the original formula) these roots must be ___________






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






13. Log base b to the b^x =






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






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






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






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






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






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






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






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






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






23. Every real number is a ______________






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






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






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






27. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






28. 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






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






30. Two angles whose sum totals 90 degrees






31. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line






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






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






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






35. The union of two rays having the same end point






36. That points of intersection on a triangle are called its _____________






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






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






39. Two angles whose sum totals 180 degrees






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






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






42. 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






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






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






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






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






48. A rhomus with a right angle






49. A triangle with having at least 2 equal sides






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






Can you answer 50 questions in 15 minutes?



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