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

2. Operation in steps = if an event a ways and followed by b ways followed by c ways the total number of ways it can be done is

3. The volume of a cube is

4. 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

5. A point has no ________or thickness

6. A parallelogram that has tow adjacent sides that are equal and whose sides are perpendicular to each other

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

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

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 __________ (b^2-4ac greater then 0)

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

11. In the law of proportion if a/b = c/d then b/a =

12. The surface area of a cube is what formula

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

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

15. In the law of proportion if a/b = c/d then ad =

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

17. The square of a real number cannot be ___________

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

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

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

21. 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

22. Two distinct straight lines can intersect at most at only one point

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

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

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

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

27. A triangle with no equal sides

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

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

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

31. Log base b to the b = ____________

32. A triangle whose angles all equal 60 degrees

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

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

35. An angle whose measure is 90 degrees

36. 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

37. What is the volume of a cone

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

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

40. 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)

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

42. Two angles whose sum totals 90 degrees

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

44. A parallelogram with right angles and equal diagonals

45. 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 ___________

46. A triangle with having at least 2 equal sides

47. Is a polygon whose sides are equal in measure

48. An angle whose measure is 180 degrees

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

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