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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 cone






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






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






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






5. Two angles with a common vertex and a common side but no common interior points






6. Log base b to the b^x =






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






8. To calculate a permutation (order does not matter) what is the formula






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






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






11. Two angles whose sum totals 90 degrees






12. 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)






13. Angles that are equal






14. 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)






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






16. The square of a real number cannot be ___________






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






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






19. 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






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






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






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






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






24. A triangle with no equal sides






25. 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)






26. The square of 0 is _____






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






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






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






30. A parallelogram with right angles and equal diagonals






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






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






33. When calculating the number of sides in a polygon make 360 degrees/ n = ______________






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






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






36. The set of all points on a half line and the dividing point itself






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






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






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






40. 1/a^n can also be written as a to the ______






41. 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






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






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






44. A triangle whose sides are equal






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






46. If a triangle has two congruent sides then it is an _________triangle






47. ___________is a quadrilateral whose opposite sides are parallel






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






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






50. A rhomus with a right angle