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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. A point has no ________or thickness






2. A triangle whose angles all equal 60 degrees






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






4. What are the 2 formulas to calculate the circumference of a circle






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






6. 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)






7. The volume of a cube is






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






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






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






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






12. The least common multiple is the smallest quantity divisible by ______ number of the set






13. When you have a linear equation such as ax + by = c you may use ___________ or _____________ to solve the problem - (you may first have to multiply through one of the equation to make either the x or y value equal)






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






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






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






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






18. An angle whose measure is 90 degrees






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






20. Is a polygon whose angles are equal in measurement






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






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






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






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






26. A __________________ is a circle passing through all the vertices of a polygon






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






28. 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)






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






30. An angle whose measure is 180 degrees






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






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






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






34. What is the formula for the area of a rhomus - (hint d= diagonal)






35. A parallelogram with right angles and equal diagonals






36. The square of a real number cannot be ___________






37. Is a polygon whose sides are equal in measure






38. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)






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






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






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






42. 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






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






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






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






46. Log base b to the b^x =






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






48. A series adjacent points that connect






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






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