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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 order to decimal to a percentage you need to ______ by 100






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






3. 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






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






5. 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






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






7. What is 4 to the power of 1/2 or 4^1/2






8. The surface area of a cube is what formula






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






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






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






12. Every real number is a ______________






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






14. A triangle with a 90 degrees angle






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






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






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






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






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






20. The least common multiple is the smallest quantity divisible by ______ number of the set






21. 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)






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






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






24. A parallelogram that has tow adjacent sides that are equal and whose sides are perpendicular to each other






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






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






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






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






29. When solving a system of equation with 2 quadratic function - first __________ one equation from the other equation to find isolate one variable - solve for that variable - then ______ and solve for the other variable






30. The segment from the center of the polygon perpendicular to as side of the polygon






31. If you want to convert a fraction to a percentage you need to make it =






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






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






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






35. A rhomus with a right angle






36. A triangle whose angles all equal 60 degrees






37. Is a polygon whose sides are equal in measure






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






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






40. 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






41. A triangle whose sides are equal






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. 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






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






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






46. An angle whose measure is 180 degrees






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






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






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






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







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