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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. Is a polygon whose angles are equal in measurement






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






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






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






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






6. An angle whose measure is 180 degrees






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






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






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






10. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)






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






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






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






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






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






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






17. 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






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






19. 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






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






21. Log base b to the b^x =






22. 1/a^n can also be written as a to the ______






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






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






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






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






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






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






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






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






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






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






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






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






36. Two angles whose sum totals 90 degrees






37. A triangle with a 90 degrees angle






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






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






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






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






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






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






44. A triangle with no equal sides






45. Is a polygon whose sides are equal in measure






46. Is a polygon that is both equilateral and equangular






47. 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






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






49. The square of a real number cannot be ___________






50. The graph of y= ax^2 + bx + c is a curve know as a ____________