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






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






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






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






5. Log base b to the b = ____________






6. An angle whose measure is greater than 180 degrees and less than 360 degrees






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






8. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line






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






10. 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)






11. A triangle whose sides are equal






12. The greatest common factor is the largest __________that is common to all member of the set






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






14. A parallelogram with right angles and equal diagonals






15. The _________property of addition says that for every real number a - for every real number b for every real number c (a+b) + c = a + (b+c)






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. In a logarithm the answer following the = sign is the __________






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






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






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






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






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






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






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






25. 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)






26. 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






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






28. 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






29. A series adjacent points that connect






30. 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






31. In a function the x value is the ___________variable






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






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






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






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






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






37. Two angles whose sum totals 180 degrees






38. What property of equality ways for each real number a - for each real number b - for each real number c - if a=b and b=c - then a=c






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






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






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






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






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






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






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






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






47. The square of 0 is _____






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






49. The measure of a minor arc is the measure of the __________that intercepts the arc






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