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






2. 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






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






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






5. The square of both a positive number and a negative real number is _____________






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






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






8. An angle whose measure is 90 degrees






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






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






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






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






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






14. A parallelogram with right angles and equal diagonals






15. 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






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






17. A triangle with having at least 2 equal sides






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






19. _____________ of angles is an equivalance relation - it is reflexive - symmetric and transitive






20. The square of a real number cannot be ___________






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






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






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






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






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






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






27. 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






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






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






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






31. Positions = number of position can be calculated by finding the ______ of the total number of items






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






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






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






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






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






37. A triangle whose sides are equal






38. 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)






39. 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)






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






41. A triangle with three acute angles (less than 90 degrees)






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






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






44. That points of intersection on a triangle are called its _____________






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






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






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






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






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






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