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






2. 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






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






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






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






6. An angle whose measure is 180 degrees






7. The least common multiple is the smallest quantity divisible by ______ number of the set






8. The ____________ says y - y1= m(x-x1)






9. In order to decimal to a percentage you need to ______ by 100






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






11. Two angles whose sum totals 180 degrees






12. A triangle whose sides are equal






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






14. Log base b to the b^x =






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






16. 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)






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






18. 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






19. In a function the x value is the ___________variable






20. 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)






21. A triangle with no equal sides






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






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






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






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






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






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






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






29. What property of equality ways for each real number a - for each real number b - for each real number c - if a=b and b=c - then a=c






30. A rhomus with a right angle






31. The volume of a cube is






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






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






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






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






36. Every real number is a ______________






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






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






39. A closed three sided figure is called a ____________






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






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






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






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. The y value of the vertex of parabola is the equation






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






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






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






48. A parallelogram with right angles and equal diagonals






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






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