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






2. A triangle with having at least 2 equal sides






3. A triangle whose sides are equal






4. A triangle whose angles all equal 60 degrees






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






6. Two or more distinct lines are said to be ____________ if and only if they are coplanar and they do no intersect






7. 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)






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






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






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






11. Is a polygon whose sides are equal in measure






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






13. 1/a^n can also be written as a to the ______






14. Every real number is a ______________






15. A line that intersects a circle in tow point is called the _______






16. In a quadratic equation with 2 unknown which has the formula ax^2 + bxy + cy^2 + dx + ey + f the graph is _____________ or a pair of __________ if ( b^2-4ac= 0) which may be coincident or it does not exist






17. The value of x where a point intersects the Y axis= ___________






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






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






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






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






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






23. A collection of points lying on a flat surface that extend indefinitely in any direction






24. A closed three sided figure is called a ____________






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






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






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






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






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






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






31. 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)






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






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






34. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)






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






36. 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






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






38. 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






39. A rhomus with a right angle






40. In a function the x value is the ___________variable






41. A point has no ________or thickness






42. 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 ___________






43. The associative property of multiplicaiton for every real number a - for every realy number b for every real number c (ab)c = ______






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






45. Log base b to the b^x =






46. The volume of a cube is






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






48. A _________ number is a number that can be written in the form of a + bi






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






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