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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. What is the volume of a sphere with a radius r






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






3. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon






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






5. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






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






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






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






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






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






11. 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)






12. ___________is a quadrilateral whose opposite sides are parallel






13. To solve a system of equations you must first make the two equations ___________to each other - then use the discrimant to find if the system has any real roots






14. A triangle with having at least 2 equal sides






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






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






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






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






19. 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)






20. Log base b to the b = ____________






21. i^2 = _____________






22. 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






23. A rhomus with a right angle






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






25. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle






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






27. Two angles whose sum totals 90 degrees






28. A set of points in the seame plane equidistant from a fixed point - called its center






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






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






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






32. 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)






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






34. 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






35. 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)






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






37. The union of two rays having the same end point






38. The volume of a cube is






39. A point has no ________or thickness






40. A triangle whose angles all equal 60 degrees






41. A portion of a circle is called an ________ of the circle






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






43. 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)






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






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






46. The square of 0 is _____






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






48. 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 ___________






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






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