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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 ____________ says y - y1= m(x-x1)






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






3. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






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






5. 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)






6. Is a polygon that is both equilateral and equangular






7. An angle whose measure is larger than 90 degrees but less than 180 degrees






8. x= - b (+ or -) square root of (b^2-4ac) divided by 2a - is called the _____________ and can be used to find the roots of a problem






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






10. The volume of a cube is






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






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






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






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






15. A triangle with no equal sides






16. 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)






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






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






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






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






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






22. In order to decimal to a percentage you need to ______ by 100






23. 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)






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






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






26. The square of a real number cannot be ___________






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






28. The set of all points on a half line and the dividing point itself






29. 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






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






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






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






33. In a function the x value is the ___________variable






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






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






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






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






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






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






40. An angle whose measure is 90 degrees






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






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






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






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






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






46. The __________ of a regular polygon is the segment joining an vertex with the center of the polygon






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






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






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






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