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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 y value of the vertex of parabola is the equation






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






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






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






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






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






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






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






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






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






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






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 __________ (if a - b and c are not zero)






13. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






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






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






16. 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






17. A closed three sided figure is called a ____________






18. 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)






19. 1/a^n can also be written as a to the ______






20. A point has no ________or thickness






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






22. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________






23. 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






24. 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






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






26. The surface area of a cube is what formula






27. What is a quadrilateral with 2 and only 2 sides parallel






28. Two angles with a common vertex and a common side but no common interior points






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






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






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






32. Two angles whose sum totals 180 degrees






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






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






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






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






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






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






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






40. Is a polygon whose angles are equal in measurement






41. A rhomus with a right angle






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






43. Two angles whose sum totals 90 degrees






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






45. The segment from the center of the polygon perpendicular to as side of the polygon






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






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






48. A triangle whose sides are equal






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






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