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






2. A triangle with three acute angles (less than 90 degrees)






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






4. What is the formula for the area of a square






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






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






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






8. Three or more points are said to be ___________if an only if they lie on the same line






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






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






11. 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






12. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba






13. 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)






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






15. Angles that are equal






16. 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






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






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






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






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






21. 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)






22. Every real number is a ______________






23. The graph of y= ax^2 + bx + c is a curve know as a ____________






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






25. A triangle with having at least 2 equal sides






26. The absolue value of the difference of the coordinates of any two points on the real number line






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






28. An angle whose measure is greater than 180 degrees and less than 360 degrees






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






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






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






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






33. 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)






34. The volume of a cube is






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






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






37. 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 ___________






38. The sum of the interior angles of a triangle = ___________






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






40. Log base b to the b = ____________






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






42. What is the area of a pyramid or cone (hint B= area of Base)






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






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






45. In a function the x value is the ___________variable






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






47. An angle whose measure is 90 degrees






48. 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






49. A point has no ________or thickness






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