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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 square of a real number cannot be ___________






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






3. 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)






4. The union of two rays having the same end point






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






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






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






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






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






10. A parallelogram with right angles and equal diagonals






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






12. 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)






13. A _________ number is a number that can be written in the form of a + bi






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






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






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






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






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






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






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






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






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






23. A series adjacent points that connect






24. Log base b to the b = ____________






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






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






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






28. Every real number is a ______________






29. A line that divides a line segment into two congruent segments






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






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






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






33. The volume of a cube is






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






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






36. A triangle with a 90 degrees angle






37. ___________is a quadrilateral whose opposite sides are parallel






38. What is the volume of a cone






39. The surface area of a cube is what formula






40. An angle whose measure is 90 degrees






41. What is the formula the formula for an arc if you know the radius and the n= central angle






42. Two angles whose sum totals 90 degrees






43. In a function the x value is the ___________variable






44. To calculate a permutation (order does not matter) what is the formula






45. A rhomus with a right angle






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






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






48. What property of equality says that a=a






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






50. The __________property of additon says that fro every real number a - ther is a real number such that a + - a = - a+ a = 0