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






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






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






4. A series adjacent points that connect






5. Two angles whose sum totals 90 degrees






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






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






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






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






10. A rhomus with a right angle






11. 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






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






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






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






15. 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






16. An angle whose measure is larger than 0 degrees but smaller than 90 degrees






17. Operation in steps = if an event a ways and followed by b ways followed by c ways the total number of ways it can be done is






18. Every real number is a ______________






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






20. Is a polygon whose angles are equal in measurement






21. Is a polygon whose sides are equal in measure






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






23. 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






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






25. A portion of a circle is called an ________ of the circle






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






27. A triangle whose angles all equal 60 degrees






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






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






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






31. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






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






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






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






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






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






37. Is a polygon that is both equilateral and equangular






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






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






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






41. A closed three sided figure is called a ____________






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






43. What is the formula to calculate the area of a rectangle






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






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






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






47. 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






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






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






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