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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. A parallelogram with right angles and equal diagonals






2. 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






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






4. 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)






5. When you see f of g replace the x in f(x) with the ___________






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






7. 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 ___________






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






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






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






11. Is a polygon whose sides are equal in measure






12. 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






13. The square of a real number cannot be ___________






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






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






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






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






18. 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 __________or a __________ or __________(b=0 and a=c)






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






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






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






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






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






24. The surface area of a cube is what formula






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






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






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






28. A point has no ________or thickness






29. 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






30. What type of trapezoid has its non parallel sides equal






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






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






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






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






35. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______






36. The side of a right triangle opposite the right angle






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






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






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






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






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






42. Is a polygon whose angles are equal in measurement






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






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






45. In the law of proportion if a/b = c/d then b/a =






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






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






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






49. 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






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