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






2. 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






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






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






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






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






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






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






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






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






11. The square of a real number cannot be ___________






12. 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)






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






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






15. 1/a^n can also be written as a to the ______






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






17. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






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






19. Log base b to the b = ____________






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






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






22. The volume of a cube is






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. A triangle with having at least 2 equal sides






25. A line that intersects a circle in tow point is called the _______






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






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






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






29. Two angles whose sum totals 90 degrees






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






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






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






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






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






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






36. Every real number is a ______________






37. A point has no ________or thickness






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






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






40. The value of x where a point intersects the Y axis= ___________






41. 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






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






43. ___________is a quadrilateral whose opposite sides are parallel






44. 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






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






46. What is 4 to the power of 1/2 or 4^1/2






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






48. An angle whose measure is 180 degrees






49. Log base b to the b^x =






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