Test your basic knowledge |

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






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






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






4. 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






5. A collection of points lying on a flat surface that extend indefinitely in any direction






6. In a function the x value is the ___________variable






7. The square of a real number cannot be ___________






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






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






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






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






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






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






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






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






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






17. A parallelogram with right angles and equal diagonals






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






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






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






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






22. 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






23. A triangle whose sides are equal






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 __________ (if a - b and c are not zero)






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






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






27. The volume of a cube is






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






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






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






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






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






33. Log base b to the b = ____________






34. 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)






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






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






37. Two angles whose sum totals 180 degrees






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






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






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






41. A line segment joining two poing on a circle is called a ________






42. An angle whose measure is 90 degrees






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






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






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






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






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






48. Once you find the roots of a radical equation you must check them to see if any are __________roots (which means they are not equal when plugged back into the original formula) these roots must be ___________






49. i^2 = _____________






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