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






2. 1/a^n can also be written as a to the ______






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






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






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






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






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






8. Log base b to the b^x =






9. 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)






10. The measure of a minor arc is the measure of the __________that intercepts the arc






11. A triangle with having at least 2 equal sides






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






13. The surface area of a cube is what formula






14. 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






15. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______






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






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






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






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






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






21. An angle whose measure is 180 degrees






22. The square of a real number cannot be ___________






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






24. Log base b to the b = ____________






25. Is a polygon whose angles are equal in measurement






26. The _________property of addition says that for every real number a - for every real number b for every real number c (a+b) + c = a + (b+c)






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






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






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






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






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






32. 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)






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






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






35. A __________is any process that assigns a ___________value of y to each number of x






36. The square of 0 is _____






37. 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






38. What is the surface area of a sphere with a radius r






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






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






41. 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 ___________






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






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






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






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






46. What is the formula for the area of a rhomus - (hint d= diagonal)






47. Every real number is a ______________






48. ___________is a quadrilateral whose opposite sides are parallel






49. In a function the x value is the ___________variable






50. 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)