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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 triangle whose angles all equal 60 degrees






3. 1/a^n can also be written as a to the ______






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






5. A rhomus with a right angle






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






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






8. 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 ___________






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






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






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






12. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






13. 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






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






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






16. An angle whose measure is 90 degrees






17. Is a polygon that is both equilateral and equangular






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 __________ (b^2-4ac greater then 0)






19. What property of equality says that a=a






20. 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






21. 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






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






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






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






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






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






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






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






29. The measure of a minor arc is the measure of the __________that intercepts the arc






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






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






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






33. A parallelogram with right angles and equal diagonals






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






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






36. A closed three sided figure is called a ____________






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






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






39. 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






40. A point has no ________or thickness






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






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






43. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac






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






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






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






47. An angle whose measure is 180 degrees






48. Every real number is a ______________






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






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