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






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






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






5. 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






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






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






8. Two angles whose sum totals 180 degrees






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






10. 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






11. When calculating the probability of independent events you need to __________ (words like and &' followed by' )






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






13. 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






14. Log base b to the b = ____________






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






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






17. 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)






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






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






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






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






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






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






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






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






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






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






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






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






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






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






32. Is a polygon whose angles are equal in measurement






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






34. In a function the x value is the ___________variable






35. Two angles whose sum totals 90 degrees






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






37. What is the volume of a cone






38. 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






39. Positions = number of position can be calculated by finding the ______ of the total number of items






40. A point has no ________or thickness






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






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






43. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






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






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






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






47. 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)






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






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






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