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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 _________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)






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






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






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






5. A triangle with having at least 2 equal sides






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






7. 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






8. The x value of the vertex of a parabola is the equation






9. 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






10. When solving a system of equation with 2 quadratic function - first __________ one equation from the other equation to find isolate one variable - solve for that variable - then ______ and solve for the other variable






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






12. A triangle whose angles all equal 60 degrees






13. An angle whose measure is 90 degrees






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






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






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






17. For each real number a - for each real number b - if a= b - then b=a






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






19. When you find the inverse of a function switch the x value with a ____ - solve for y






20. A closed three sided figure is called a ____________






21. 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






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






23. 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






24. 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)






25. The absolue value of the difference of the coordinates of any two points on the real number line






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






27. Two angles whose sum totals 90 degrees






28. The square of a real number cannot be ___________






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






30. Is a polygon whose sides are equal in measure






31. What property of equality says that a=a






32. When you see f of g replace the x in f(x) with the ___________






33. 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)






34. When calculating the number of sides in a polygon make 360 degrees/ n = ______________






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






36. 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






37. A triangle whose sides are equal






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






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






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






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






42. The volume of a cube is






43. Is a polygon whose angles are equal in measurement






44. In a function the x value is the ___________variable






45. What is 4 to the power of 1/2 or 4^1/2






46. A point has no ________or thickness






47. 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






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






49. The associative property of multiplicaiton for every real number a - for every realy number b for every real number c (ab)c = ______






50. What is the formula for the area of a circle