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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 that joins the midpoint of two sides of a triangle is called the__________






2. 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)






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






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






5. A series adjacent points that connect






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






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






8. Angles that are equal






9. An angle whose measure is 180 degrees






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






11. Is a polygon whose angles are equal in measurement






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






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






14. 1/a^n can also be written as a to the ______






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






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






17. ___________is a quadrilateral whose opposite sides are parallel






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






19. Two angles whose sum totals 180 degrees






20. A point has no ________or thickness






21. Three or more points are said to be ___________if an only if they lie on the same line






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






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






24. The surface area of a cube is what formula






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






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






27. A __________is any process that assigns a ___________value of y to each number of x






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






29. 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)






30. Log base b to the b = ____________






31. 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)






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






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






34. 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)






35. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')






36. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line






37. A triangle with no equal sides






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






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






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






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






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






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






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






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






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






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






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






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






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