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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 triangle with having at least 2 equal sides






2. A point has no ________or thickness






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






4. 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






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






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






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






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






9. Every real number is a ______________






10. An angle whose measure is greater than 180 degrees and less than 360 degrees






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






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






13. The surface area of a cube is what formula






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






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






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






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






18. An angle whose measure is 90 degrees






19. A triangle whose sides are equal






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






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






22. An angle whose measure is 180 degrees






23. A closed three sided figure is called a ____________






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






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






26. i^2 = _____________






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






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






29. A ___________is a figure with the same number of sides as angles






30. 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






31. A triangle with a 90 degrees angle






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






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






34. Angles that are equal






35. 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)






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






37. A parallelogram with right angles and equal diagonals






38. What property of equality says that a=a






39. 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






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






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






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






43. The volume of a cube is






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






45. Is a polygon whose sides are equal in measure






46. The associative property of multiplicaiton for every real number a - for every realy number b for every real number c (ab)c = ______






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






48. The __________ of a regular polygon is the segment joining an vertex with the center of the polygon






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






50. Two angles whose sum totals 180 degrees