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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 line segment joining two poing on a circle is called a ________






2. The side of a right triangle opposite the right angle






3. A triangle whose angles all equal 60 degrees






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






5. 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)






6. 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)






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






8. What property of equality says that a=a






9. What is the formula for the area of a rhomus - (hint d= diagonal)






10. 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 ___________






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






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






13. Is a polygon whose angles are equal in measurement






14. Two angles whose sum totals 90 degrees






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






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






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






18. What is the surface area of a right circular cylinder with a radius of r and a height of h






19. Log base b to the b = ____________






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






21. What is the area of a pyramid or cone (hint B= area of Base)






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






23. The volume of a cube is






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






25. Log base b to the b^x =






26. An angle whose measure is 90 degrees






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






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






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






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






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






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






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






34. 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






35. 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






36. 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






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






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






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






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






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






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






43. How do you calculate the area of a parallelogram - what is the formula






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






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






46. The square of both a positive number and a negative real number is _____________






47. A triangle with having at least 2 equal sides






48. The surface area of a cube is what formula






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






50. A rhomus with a right angle