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






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






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






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






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






6. 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






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






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






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






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






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






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






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






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






15. A triangle with no equal sides






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






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






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






19. ___________is a quadrilateral whose opposite sides are parallel






20. What are the 2 formulas to calculate the circumference of a circle






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






22. What is the formula to calculate the area of a rectangle






23. 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)






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






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






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






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






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






29. The volume of a cube is






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






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






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






33. Angles that are equal






34. 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 ___________






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






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






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






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






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






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






41. A parallelogram with right angles and equal diagonals






42. An angle whose measure is 180 degrees






43. The side of a right triangle opposite the right angle






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






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






46. 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






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






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






49. Is a polygon whose angles are equal in measurement






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







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Can you answer 50 questions in 15 minutes?


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