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






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






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






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






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






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






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






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






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






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






11. 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






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






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






15. Is a polygon whose sides are equal in measure






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






17. That points of intersection on a triangle are called its _____________






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






19. Two angles with a common vertex and with sides that are 2 pairs of opposite rays






20. A triangle whose angles all equal 60 degrees






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






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






23. The square of 0 is _____






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






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






26. 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)






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






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






29. A point has no ________or thickness






30. Is a polygon that is both equilateral and equangular






31. An angle whose measure is 90 degrees






32. y2- y1 divided by x2- x1 = the ____________






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






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






35. What is the formula for the area of a square






36. Log base b to the b = ____________






37. 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 __________ (if a - b and c are not zero)






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






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






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






41. The square of a real number cannot be ___________






42. What property of equality says that a=a






43. 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)






44. 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 ___________






45. 1/a^n can also be written as a to the ______






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






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






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






49. What is the volume of a cone






50. A closed three sided figure is called a ____________