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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 y value of the vertex of parabola is the equation






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






3. 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)






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






5. A triangle whose sides are equal






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






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






8. 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)






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






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






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






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






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






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






15. What property of equality says that a=a






16. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')






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






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






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






20. The value of y where a point intersects the x axis = __________






21. Every real number is a ______________






22. A triangle with no equal sides






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






24. 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






25. The square of a real number cannot be ___________






26. 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






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






28. A closed three sided figure is called a ____________






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






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






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






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






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






34. 1/a^n can also be written as a to the ______






35. Is a polygon that is both equilateral and equangular






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






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






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






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






40. 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)






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






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






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






44. What is the square of ((x1-x2) + (y1- y2)) =






45. If a triangle has two congruent sides then it is an _________triangle






46. Two angles whose sum totals 180 degrees






47. A point has no ________or thickness






48. i^2 = _____________






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






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