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






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






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






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






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






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






7. A triangle whose sides are equal






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






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






10. Is a polygon whose angles are equal in measurement






11. A triangle with no equal sides






12. 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






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






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






15. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number






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






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






18. Log base b to the b^x =






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






20. A rhomus with a right angle






21. 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






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






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






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






25. The square of 0 is _____






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






27. 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






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






29. A point has no ________or thickness






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






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






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






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






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






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






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






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






38. Log base b to the b = ____________






39. A triangle whose angles all equal 60 degrees






40. Two angles whose sum totals 90 degrees






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






42. A parallelogram with right angles and equal diagonals






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






44. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






45. 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)






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






47. 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






48. Two angles with a common vertex and a common side but no common interior points






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






50. What property of equality says that a=a