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






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






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






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






5. What is the volume of a cone






6. 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)






7. A line that divides a line segment into two congruent segments






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






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






10. The square of a real number cannot be ___________






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






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






13. 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






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






15. A point has no ________or thickness






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






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






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






19. Wha tis the volume of a right circular cylinder with a radius of r and a height of h






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






21. An angle whose measure is 90 degrees






22. A rhomus with a right angle






23. What is the formula for the area of a triangle






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






25. The graph of y= ax^2 + bx + c is a curve know as a ____________






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






27. Log base b to the b^x =






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






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






30. 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)






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






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






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






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






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






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






37. A __________________ is a circle passing through all the vertices of a polygon






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






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






40. 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 ___________






41. When you find the inverse of a function switch the x value with a ____ - solve for y






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






43. A triangle whose angles all equal 60 degrees






44. Two angles whose sum totals 180 degrees






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






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






47. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)






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






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






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