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






2. A parallelogram with right angles and equal diagonals






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






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






5. 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






6. i^2 = _____________






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






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






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






10. A triangle whose angles all equal 60 degrees






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






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






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






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






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






16. Wha tis the volume of a right circular cylinder with a radius of r and a height of h






17. The __________ of a regular polygon is the segment joining an vertex with the center of the polygon






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






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






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






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






22. 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)






23. The square of 0 is _____






24. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon






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






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






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






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






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






30. An angle whose measure is 180 degrees






31. 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






32. 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)






33. A triangle with no equal sides






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






35. 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 ___________






36. A series adjacent points that connect






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






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






39. 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






40. Every real number is a ______________






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






42. The square of both a positive number and a negative real number is _____________






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






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






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






46. The set of all points on a half line and the dividing point itself






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






48. Is a polygon that is both equilateral and equangular






49. 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






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