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






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






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






4. When you see f of g replace the x in f(x) with the ___________






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






6. 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






7. 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)






8. A series adjacent points that connect






9. What is the volume of a cone






10. If you want to convert a fraction to a percentage you need to make it =






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






12. 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






13. An angle whose measure is 180 degrees






14. A point has no ________or thickness






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






16. 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






17. Angles that are equal






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






19. The square of a real number cannot be ___________






20. The greatest common factor is the largest __________that is common to all member of the set






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






22. 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






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






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






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






26. The _______ tells how many times the root needs to be multiplied by itself






27. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides






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






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






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






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






32. A __________________ is a circle passing through all the vertices of a polygon






33. An angle whose measure is 90 degrees






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






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






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






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






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






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






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






41. Is a polygon whose angles are equal in measurement






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






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






44. What property of equality ways for each real number a - for each real number b - for each real number c - if a=b and b=c - then a=c






45. A triangle whose sides are equal






46. Log base b to the b^x =






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






48. 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)






49. ___________is a quadrilateral whose opposite sides are parallel






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