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






2. Log base b to the b^x =






3. 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)






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






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






6. The square of a real number cannot be ___________






7. The square of 0 is _____






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






9. Two or more distinct lines are said to be ____________ if and only if they are coplanar and they do no intersect






10. What is the volume of a cone






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






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






13. 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






14. 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






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






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






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






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






19. A rhomus with a right angle






20. Two lines are said to be ______________ if they intersect and form right angles






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






22. What type of trapezoid has its non parallel sides equal






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






24. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






25. Two angles whose sum totals 90 degrees






26. In order to decimal to a percentage you need to ______ by 100






27. 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)






28. The volume of a cube is






29. Is a polygon whose sides are equal in measure






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






31. A triangle with a 90 degrees angle






32. 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 ___________






33. 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






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






35. 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






36. A series adjacent points that connect






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






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






39. What is the formula for the area of a triangle






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






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






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






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






44. 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)






45. Is a polygon that is both equilateral and equangular






46. 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






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






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






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






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